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Colorado ( / ˌ k ɒ l ə ˈ r æ d oʊ , - ˈ r ɑː d oʊ / KOL -ə- RAD -oh, -⁠ RAH -doh , other variants; Spanish: [koloˈɾaðo] ) is a state in the Western United States . It is one of the Mountain states , sharing the Four Corners region with Arizona , New Mexico , and Utah . It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas to the east, and Oklahoma to the southeast. Colorado is noted for its landscape of mountains , forests , high plains , mesas , canyons , plateaus , rivers , and desert lands. It encompasses most of the Southern Rocky Mountains , as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains . Colorado is the eighth most extensive and 21st most populous U.S. state. The United States Census Bureau estimated the population of Colorado at 5,877,610 as of July 1, 2023, a 1.80% increase since the 2020 United States census.

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158-813: The region has been inhabited by Native Americans and their ancestors for at least 13,500 years and possibly much longer. The eastern edge of the Rocky Mountains was a major migration route for early peoples who spread throughout the Americas. In 1848, much of the Nuevo México region was annexed to the United States with the Treaty of Guadalupe Hidalgo . The Pike's Peak Gold Rush of 1858–1862 created an influx of settlers. On February 28, 1861, U.S. President James Buchanan signed an act creating

316-718: A gunman killed 10 people , including a police officer, in a King Soopers supermarket in Boulder . In an instance of anti-LGBT violence , a gunman killed 5 people at a nightclub in Colorado Springs during the night of November 19–20, 2022. Four warships of the U.S. Navy have been named the USS Colorado . The first USS Colorado was named for the Colorado River and served in the Civil War and later

474-557: A Cherokee ancestor on the Dawes Rolls, although all Cherokee Freedmen and their descendants had been members since 1866. As of 2004, various Native Americans are wary of attempts by others to gain control of their reservation lands for natural resources, such as coal and uranium in the West. The State of Maine is the only State House Legislature that allows Representatives from Indian Tribes. The three nonvoting members represent

632-465: A body of law, Jim Crow institutionalized economic, educational, and social disadvantages for Native Americans, and other people of color living in the south. Native American identity was especially targeted by a system that only wanted to recognize white or colored, and the government began to question the legitimacy of some tribes because they had intermarried with African Americans. Native Americans were also discriminated and discouraged from voting in

790-495: A federal Indian trust relationship are based. Cultural activism since the late 1960s has increased the participation of Indigenous peoples in American politics. It has also led to expanded efforts to teach and preserve Indigenous languages for younger generations, and to establish a more robust cultural infrastructure: Native Americans have founded independent newspapers and online media outlets, including First Nations Experience ,

948-470: A large degree of tribal sovereignty . For this reason, many Native American reservations are still independent of state law and the actions of tribal citizens on these reservations are subject only to tribal courts and federal law. The Indian Citizenship Act of 1924 granted US citizenship to all Native Americans born in the US who had not yet obtained it. This emptied the "Indians not taxed" category established by

1106-724: A more collective basis than the culture which Europeans were familiar with. Most Indigenous American tribes treated their hunting grounds and agricultural lands as land that could be used by their entire tribe. Europeans had developed concepts of individual property rights with respect to land that were extremely different. The differences in cultures, as well as the shifting alliances among different nations during periods of warfare, caused extensive political tension, ethnic violence, and social disruption. Native Americans suffered high fatality rates from contact with European diseases that were new to them, and to which they had not acquired immunity . Smallpox epidemics are thought to have caused

1264-652: A rapid decline in the organization's power, with membership waning significantly by the end of the 1920s. Colorado became the first western state to host a major political convention when the Democratic Party met in Denver in 1908. By the U.S. census in 1930 , the population of Colorado first exceeded one million residents. Colorado suffered greatly through the Great Depression and the Dust Bowl of

1422-475: A resolution recommending that the federal and legislative branches of the U.S. government terminate tribal governments. In 2007, a group of Democratic Party congressmen and congresswomen introduced a bill in the U.S. House of Representatives to terminate Federal recognition of the Cherokee Nation . This was related to their voting to exclude Cherokee Freedmen as members of the tribe unless they had

1580-717: A series of dams and large reservoir lakes have been built on the Arkansas and its intersecting tributaries, including the Canadian , Verdigris , Neosho (Grand) , Illinois , and Poteau rivers. These locks and dams enable the river to be navigable by barges and large river craft downriver of Muskogee, Oklahoma , where the McClellan-Kerr Arkansas River Navigation System joins the Verdigris River. Into western Arkansas ,

1738-647: A significant portion of the extreme weather occurs in the least populated areas of the state. Thunderstorms are common east of the Continental Divide in the spring and summer, yet are usually brief. Hail is a common sight in the mountains east of the Divide and across the eastern Plains, especially the northeast part of the state. Hail is the most commonly reported warm-season severe weather hazard, and occasionally causes human injuries, as well as significant property damage. The eastern Plains are subject to some of

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1896-400: A variety of diseases, but in many cases this happened long after Europeans first arrived. When severe epidemics did hit, it was often less because Native bodies lack immunity than because European colonialism disrupted Native Communities and damaged their resources, making them more vulnerable to pathogens." After the thirteen British colonies revolted against Great Britain and established

2054-519: Is a mix of high plains, foothills, and mountains. Northwest and west Colorado are predominantly mountainous, with some desert lands mixed in. Southwest and southern Colorado are a complex mixture of desert and mountain areas. The climate of the Eastern Plains is semi-arid ( Köppen climate classification : BSk ) with low humidity and moderate precipitation, usually from 15 to 25 inches (380 to 640 millimeters) annually, although many areas near

2212-519: Is at Napoleon, Arkansas , and its drainage basin covers nearly 170,000 square miles (440,000 km ). Its volume is much smaller than the Missouri and Ohio rivers, with a mean discharge of about 40,000 cubic feet per second (1,100 m /s). The Arkansas from its headwaters to the 100th meridian west formed part of the U.S.–Mexico border from the Adams–Onís Treaty (in force 1821) until

2370-537: Is condescending for such lands to be considered "held in trust" and regulated in any fashion by any entity other than their own tribes. Some tribal groups have been unable to document the cultural continuity required for federal recognition. To achieve federal recognition and its benefits, tribes must prove continuous existence since 1900. The federal government has maintained this requirement, in part because through participation on councils and committees, federally recognized tribes have been adamant about groups' satisfying

2528-841: Is drained by the Colorado River. The South Park of Colorado is the region of the headwaters of the South Platte River. In south-central Colorado is the large San Luis Valley , where the headwaters of the Rio Grande are located. The northern part of the valley is the San Luis Closed Basin , an endorheic basin that helped created the Great Sand Dunes . The valley sits between the Sangre de Cristo Mountains and San Juan Mountains . The Rio Grande drains due south into New Mexico, Texas, and Mexico. Across

2686-742: Is flat and rolling land. East of the Rocky Mountains is the Colorado Eastern Plains of the High Plains , the section of the Great Plains within Colorado at elevations ranging from roughly 3,350 to 7,500 feet (1,020 to 2,290 m). The Colorado plains are mostly prairies but also include deciduous forests , buttes , and canyons. Precipitation averages 15 to 25 inches (380 to 640 mm) annually. Eastern Colorado

2844-543: Is generally accessed through artesian wells . Heavy usage of these wells for irrigation purposes caused underground water reserves to decline in the region. Eastern Colorado also hosts a considerable amount and range of livestock, such as cattle ranches and hog farms. Roughly 70% of Colorado's population resides along the eastern edge of the Rocky Mountains in the Front Range Urban Corridor between Cheyenne, Wyoming , and Pueblo, Colorado . This region

3002-717: Is higher than the high elevation points of 18 states and the District of Columbia. The Continental Divide of the Americas extends along the crest of the Rocky Mountains. The area of Colorado to the west of the Continental Divide is called the Western Slope of Colorado . West of the Continental Divide, water flows to the southwest via the Colorado River and the Green River towards the Gulf of California . Within

3160-471: Is known as "The Western Slope") are the cities of Grand Junction , Durango , and Montrose . Download coordinates as: To the west of the Great Plains of Colorado rises the eastern slope of the Rocky Mountains . Notable peaks of the Rocky Mountains include Longs Peak , Mount Blue Sky , Pikes Peak , and the Spanish Peaks near Walsenburg , in southern Colorado. This area drains to the east and

3318-552: Is known as the " Kelp Highway ". The early inhabitants by land were classified as Paleo-Indians , who spread throughout the Americas, diversifying into numerous culturally distinct nations. Major Paleo-Indian cultures included the Clovis and Folsom traditions , identified through unique spear points and large-game hunting methods, especially during the Lithic stage . Around 8000 BCE, as the climate stabilized, new cultural periods like

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3476-466: Is more complex than states outside of the Mountain States region. Unlike most other states, southern Colorado is not always warmer than northern Colorado. Most of Colorado is made up of mountains, foothills, high plains, and desert lands. Mountains and surrounding valleys greatly affect the local climate. Northeast, east, and southeast Colorado are mostly the high plains, while Northern Colorado

3634-522: Is partially protected from prevailing storms that blow in from the Pacific Ocean region by the high Rockies in the middle of Colorado. The "Front Range" includes Denver, Boulder , Fort Collins , Loveland, Castle Rock , Colorado Springs, Pueblo, Greeley, and other townships and municipalities in between. On the other side of the Rockies, the significant population centers in western Colorado (which

3792-559: Is presently mainly farmland and rangeland, along with small farming villages and towns. Corn , wheat , hay , soybeans , and oats are all typical crops. Most villages and towns in this region boast both a water tower and a grain elevator . Irrigation water is available from both surface and subterranean sources. Surface water sources include the South Platte , the Arkansas River , and a few other streams. Subterranean water

3950-602: Is the capital, the most populous city , and the center of the Front Range Urban Corridor . Colorado Springs is the second most populous city of the state. Residents of the state are known as Coloradans , although the antiquated "Coloradoan" is occasionally used. Major parts of the economy include government and defense, mining, agriculture , tourism, and increasingly other kinds of manufacturing. With increasing temperatures and decreasing water availability, Colorado's agriculture forestry, and tourism economies are expected to be heavily affected by climate change . The region that

4108-462: Is the highest point in Colorado and the Rocky Mountains of North America. Colorado is the only U.S. state that lies entirely above 1,000 meters elevation. The point where the Arikaree River flows out of Yuma County, Colorado , and into Cheyenne County, Kansas , is the lowest in Colorado at 3,317 feet (1,011 m) elevation. This point, which is the highest low elevation point of any state,

4266-733: Is the largest tribe if only full-blood individuals are counted; the Navajo are the tribe with the highest proportion of full-blood individuals, 86.3%. The Cherokee have a different history; it is the largest tribe, with 819,000 individuals, and it has 284,000 full-blood individuals. As of 2012, 70% of Native Americans live in urban areas, up from 45% in 1970 and 8% in 1940. Urban areas with significant Native American populations include Minneapolis, Denver, Phoenix, Tucson, Chicago, Oklahoma City, Houston, New York City, and Los Angeles. Many live in poverty. Racism, unemployment, drugs and gangs are common problems which Indian social service organizations such as

4424-566: Is today the State of Colorado has been inhabited by Native Americans and their Paleoamerican ancestors for at least 13,500 years and possibly more than 37,000 years. The eastern edge of the Rocky Mountains was a major migration route that was important to the spread of early peoples throughout the Americas. The Lindenmeier site in Larimer County contains artifacts dating from approximately 8720 BCE. The Ancient Pueblo peoples lived in

4582-431: Is very prone to droughts. Most of the precipitation comes from thunderstorms, which can be severe, and from major snowstorms that occur in the winter and early spring. Otherwise, winters tend to be mostly dry and cold. In much of the region, March is the snowiest month. April and May are normally the rainiest months, while April is the wettest month overall. The Front Range cities closer to the mountains tend to be warmer in

4740-578: The Adams-Onís Treaty of 1819. The treaty took effect on February 22, 1821. Having settled its border with Spain, the U.S. admitted the southeastern portion of the Territory of Missouri to the Union as the state of Missouri on August 10, 1821. The remainder of Missouri Territory, including what would become northeastern Colorado, became an unorganized territory and remained so for 33 years over

4898-564: The American Indian Movement (AIM) drawing attention to Indigenous rights. Landmark legislation like the Indian Self-Determination and Education Assistance Act of 1975 recognized tribal autonomy, leading to the establishment of Native-run schools and economic initiatives. Tribal sovereignty has continued to evolve, with legal victories and federal acknowledgments supporting cultural revitalization. By

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5056-543: The Archaic stage arose, during which hunter-gatherer communities developed complex societies across North America. The Mound Builders created large earthworks, such as at Watson Brake and Poverty Point , which date to 3500 BCE and 2200 BCE, respectively, indicating early social and organizational complexity. By 1000 BCE, Native societies in the Woodland period developed advanced social structures and trade networks, with

5214-593: The Asiatic Squadron , where it was attacked during the 1871 Korean Expedition . The later three ships were named in honor of the state, including an armored cruiser and the battleship USS Colorado , the latter of which was the lead ship of her class and served in World War II in the Pacific beginning in 1941. At the time of the attack on Pearl Harbor , the battleship USS Colorado was located at

5372-717: The Carnation Gold Rush . Poor labor conditions and discontent among miners resulted in several major clashes between strikers and the Colorado National Guard , including the 1903–1904 Western Federation of Miners Strike and Colorado Coalfield War , the latter of which included the Ludlow massacre that killed a dozen women and children. Both the 1913–1914 Coalfield War and the Denver streetcar strike of 1920 resulted in federal troops intervening to end

5530-518: The Census Bureau until 1930: American Indians and Alaska Natives as percentage of the total population between 1880 and 2020: Absolute numbers of American Indians and Alaska Natives between 1880 and 2020 (since 1890 according to the Census Bureau ): 78% of Native Americans live outside a reservation. Full-blood individuals are more likely to live on a reservation than mixed-blood individuals. The Navajo , with 286,000 full-blood individuals,

5688-664: The Dawes Act , which undermined communal landholding. A justification for the policy of conquest and subjugation of the Indigenous people emanated from the stereotyped perceptions of Native Americans as "merciless Indian savages" (as described in the United States Declaration of Independence ). Sam Wolfson in The Guardian writes, "The declaration's passage has often been cited as an encapsulation of

5846-561: The Great Lakes region to hunt across the High Plains of Colorado and Wyoming . The Spanish Empire claimed Colorado as part of Nuevo México . The U.S. acquired the territorial claim to the eastern Rocky Mountains with the Louisiana Purchase from France in 1803. This U.S. claim conflicted with the claim by Spain to the upper Arkansas River Basin . In 1806, Zebulon Pike led a U.S. Army reconnaissance expedition into

6004-682: The Hopewell tradition connecting the Eastern Woodlands to the Great Lakes and the Gulf of Mexico . This period led to the Mississippian culture , with large urban centers like Cahokia —a city with complex mounds and a population exceeding 20,000 by 1250 CE. From the 15th century onward, European contact drastically reshaped the Americas. Explorers and settlers introduced diseases, causing massive Indigenous population declines, and engaged in violent conflicts with Native groups. By

6162-816: The Indigenous peoples of Canada are generally known as First Nations , Inuit and Métis ( FNIM ). The history of Native Americans in the United States began before the founding of the U.S., tens of thousands of years ago with the settlement of the Americas by the Paleo-Indians . The Eurasian migration to the Americas occurred over millennia via Beringia , a land bridge between Siberia and Alaska , as early humans spread southward and eastward, forming distinct cultures and societies. Archaeological evidence suggests these migrations began 60,000 years ago and continued until around 12,000 years ago. Some may have arrived even before this time fishing in kayaks along what

6320-924: The Ku Klux Klan Colorado Realm achieved dominance in Colorado politics. With peak membership levels, the Second Klan levied significant control over both the local and state Democrat and Republican parties , particularly in the governor's office and city governments of Denver, Cañon City , and Durango . A particularly strong element of the Klan controlled the Denver Police . Cross burnings became semi-regular occurrences in cities such as Florence and Pueblo. The Klan targeted African-Americans, Catholics , Eastern European immigrants, and other non-White Protestant groups. Efforts by non-Klan lawmen and lawyers including Philip Van Cise led to

6478-612: The Mississippi River from Prairie du Chien, Wisconsin toward the Gulf of Mexico, but turned back at the mouth of the Arkansas River. By that time, they had encountered Native Americans carrying European trinkets and feared confrontation with Spanish conquistadors. Jean-Baptiste Bénard de la Harpe , a French trader, explorer, and nobleman had led an expedition into what is now Oklahoma in 1718–19. His original objective

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6636-417: The Mississippi River near Napoleon, Arkansas . Water flow in the Arkansas River (as measured in central Kansas ) has dropped from approximately 248 cubic feet per second (7.0 m /s) average from 1944–1963 to 53 cubic feet per second (1.5 m /s) average from 1984–2003, largely because of the pumping of groundwater for irrigation in eastern Colorado and western Kansas . Important cities along

6794-558: The Mississippi River , in order to accommodate continued European American expansion. This resulted in what amounted to the ethnic cleansing or genocide of many tribes, who were subjected to brutal forced marches . The most infamous of these came to be known as the Trail of Tears . Contemporary Native Americans have a unique relationship with the United States because they may be members of nations, tribes, or bands that have sovereignty and treaty rights upon which federal Indian law and

6952-665: The Provisional Government of the Territory of Jefferson on August 24, 1859, but this new territory failed to secure approval from the Congress of the United States embroiled in the debate over slavery. The election of Abraham Lincoln for the President of the United States on November 6, 1860, led to the secession of nine southern slave states and the threat of civil war among the states . Seeking to augment

7110-648: The Sangre de Cristo Range to the east of the San Luis Valley lies the Wet Mountain Valley . These basins, particularly the San Luis Valley, lie along the Rio Grande rift , a major geological formation of the Rocky Mountains, and its branches. The Western Slope of Colorado includes the western face of the Rocky Mountains and all of the area to the western border. This area includes several terrains and climates from alpine mountains to arid deserts. The Western Slope includes many ski resort towns in

7268-541: The Santa Fe Trail followed the Arkansas through much of Kansas, picking it up near Great Bend and continuing through to La Junta, Colorado . Some users elected to take the challenging Cimarron Cutoff starting at Cimarron, Kansas . During the American Civil War, each side tried to prevent the other from using the Arkansas River and its tributaries as a route for moving reinforcements. Initially,

7426-620: The Senate Indian Affairs Committee endorsed a bill that would grant federal recognition to tribes in Virginia. As of 2000 , the largest groups in the United States by population were Navajo , Cherokee , Choctaw , Sioux , Chippewa , Apache , Blackfeet , Iroquois , and Pueblo . In 2000, eight of ten Americans with Native American ancestry were of mixed ancestry. It is estimated that by 2100 that figure will rise to nine out of ten. The civil rights movement

7584-407: The Territory of Colorado , and on August 1, 1876, President Ulysses S. Grant signed Proclamation 230 , admitting Colorado to the Union as the 38th state. The Spanish adjective "colorado" means "colored red" or "ruddy". Colorado is nicknamed the " Centennial State " because it became a state 100 years (and four weeks) after the signing of the United States Declaration of Independence . Denver

7742-433: The Territory of New Mexico , and the Territory of Utah . On April 9, 1851, Hispano settlers from the area of Taos settled the village of San Luis , then in the New Mexico Territory , as Colorado's first permanent Euro-American settlement , further cementing the traditions of New Mexican cuisine and New Mexico music in the developing Southern Rocky Mountain Front . In 1854, Senator Stephen A. Douglas persuaded

7900-441: The Texas Annexation or Treaty of Guadalupe Hidalgo . The river is alternatively pronounced / ɑːr ˈ k æ n z ə s / ar- KAN -zəs or / ˈ ɑːr k ən s ɔː / AR -kən-saw . The path of the Arkansas River has changed over time. Sediments from the river found in a palaeochannel next to Nolan, a site in the Tensas Basin , show that part of the river's meander belt flowed through up to 3200 BCE. While it

8058-430: The Tulsa Port of Catoosa on the Verdigris River , enters the Arkansas River near Muskogee, and runs via an extensive lock and dam system to the Mississippi River. Through Oklahoma and Arkansas, dams which artificially deepen and widen the river to sustain commercial barge traffic and recreational use give the river the appearance of a series of reservoirs. The McClellan–Kerr Arkansas River Navigation System diverts from

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8216-456: The U.S. Congress to divide the unorganized territory east of the Continental Divide into two new organized territories, the Territory of Kansas and the Territory of Nebraska , and an unorganized southern region known as the Indian Territory . Each new territory was to decide the fate of slavery within its boundaries, but this compromise merely served to fuel animosity between free soil and pro-slavery factions. The gold seekers organized

8374-448: The Union cause. In 1862, a force of Texas cavalry invaded the Territory of New Mexico and captured Santa Fe on March 10. The object of this Western Campaign was to seize or disrupt Colorado and California's gold fields and seize Pacific Ocean ports for the Confederacy. A hastily organized force of Colorado volunteers force-marched from Denver City, Colorado Territory , to Glorieta Pass , New Mexico Territory, in an attempt to block

8532-405: The United States , the second-longest tributary in the Mississippi– Missouri system, and the 47th longest river in the world . Its origin is in the Rocky Mountains in Lake County, Colorado , near Leadville . In 1859, placer gold discovered in the Leadville area brought thousands seeking to strike it rich, but the easily recovered placer gold was quickly exhausted. The Arkansas River's mouth

8690-532: The United States , particularly of the lower 48 states and Alaska . They may also include any Americans whose origins lie in any of the indigenous peoples of North or South America. The United States Census Bureau publishes data about "American Indians and Alaska Natives ", whom it defines as anyone "having origins in any of the original peoples of North and South America ... and who maintains tribal affiliation or community attachment". The census does not, however, enumerate "Native Americans" as such, noting that

8848-442: The United States Constitution , allowed Natives to vote in elections, and extended the Fourteenth Amendment protections granted to people "subject to the jurisdiction" of the United States. However, some states continued to deny Native Americans voting rights for decades. Titles II through VII of the Civil Rights Act of 1968 comprise the Indian Civil Rights Act, which applies to Native American tribes and makes many but not all of

9006-431: The Ute Indian reservation in southwestern Colorado. The Ute people were removed from the San Juan Mountains the following year. The United States Congress passed an enabling act on March 3, 1875, specifying the requirements for the Territory of Colorado to become a state. On August 1, 1876 (four weeks after the Centennial of the United States ), U.S. President Ulysses S. Grant signed a proclamation admitting Colorado to

9164-565: The first written accounts of the contact were provided by Europeans . Ethnographers classify the Indigenous peoples of North America into ten geographical regions which are inhabited by groups of people who share certain cultural traits, called cultural areas. The ten cultural areas are: At the time of the first contact, the Indigenous cultures were different from those of the proto-industrial and mostly Christian immigrants. Some Northeastern and Southwestern cultures, in particular, were matrilineal and they were organized and operated on

9322-414: The free Territory of Colorado . The original boundaries of Colorado remain unchanged except for government survey amendments. In 1776, Spanish priest Silvestre Vélez de Escalante recorded that Native Americans in the area knew the river as el Rio Colorado for the red-brown silt that the river carried from the mountains. In 1859, a U.S. Army topographic expedition led by Captain John Macomb located

9480-404: The question of slavery . After 11 years of war, Spain finally recognized the independence of Mexico with the Treaty of Córdoba signed on August 24, 1821. Mexico eventually ratified the Adams–Onís Treaty in 1831. The Texian Revolt of 1835–36 fomented a dispute between the U.S. and Mexico which eventually erupted into the Mexican–American War in 1846. Mexico surrendered its northern territory to

9638-404: The 1930s, but a major wave of immigration following World War II boosted Colorado's fortune. Tourism became a mainstay of the state economy, and high technology became an important economic engine. The United States Census Bureau estimated that the population of Colorado exceeded five million in 2009. On September 11, 1957, a plutonium fire occurred at the Rocky Flats Plant , which resulted in

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9796-406: The 19th century, westward U.S. expansion, rationalized by Manifest destiny , pressured tribes into forced relocations like the Trail of Tears , which decimated communities and redefined Native territories. Despite resistance in events like the Sioux Uprising and Battle of Little Bighorn , Native American lands continued to be reduced through policies like the Indian Removal Act of 1830 and later

9954-513: The 21st century, Native Americans had achieved increased control over tribal lands and resources, although many communities continue to grapple with the legacy of displacement and economic challenges. Urban migration has also grown, with over 70% of Native Americans residing in cities by 2012, navigating issues of cultural preservation and discrimination. Continuing legal and social efforts address these concerns, building on centuries of resilience and adaptation that characterize Indigenous history across

10112-455: The 48 states and Alaska. Native American population rebounded sharply from 1950, when they numbered 377,273; it reached 551,669 in 1960, 827,268 in 1970, with an annual growth rate of 5%, four times the national average. Total spending on Native Americans averaged $ 38 million a year in the late 1920s, dropping to a low of $ 23 million in 1933, and returning to $ 38 million in 1940. The Office of Indian Affairs counted more American Indians than

10270-597: The Americas , including Mesoamerican peoples such as the Maya , as well as Canadian and South American natives . In 2022, 634,503 Indigenous people in the United States identified with Central American Indigenous groups, 875,183 identified with the Indigenous people of Mexico , and 47,518 identified with Canadian First Nations . Of the 3.2 million Americans who identified as American Indian or Alaska Native alone in 2022, around 45% are of Hispanic or Latino ethnicity, with this number growing as increasing numbers of Indigenous people from Latin American countries immigrate to

10428-399: The Americas. According to the 2020 census, the U.S. population was 331.4 million. Of this, 3.7 million people, or 1.1 percent, reported American Indian or Alaska Native ancestry alone. In addition, 5.9 million people (1.8 percent), reported American Indian or Alaska Native in combination with one or more other races. The definition of American Indian or Alaska Native used in the 2010 census

10586-417: The Arkansas River 2.5 mi (4.0 km) upstream of the Wilbur D. Mills Dam to avoid the long winding route which the lower Arkansas River follows. This circuitous portion of the Arkansas River between the Wilbur D. Mills Dam and the Mississippi River was historically bypassed by river vessels. Early steamboats instead followed a network of rivers—known as the Arkansas Post Canal—which flowed north of

10744-458: The Arkansas River as a supply route. In September 1864, a body of Confederate irregulars led by General Stand Watie (Cherokee) successfully ambushed a Union supply ship bound for Fort Gibson. The vessel was destroyed, and a part of its cargo was looted by the Confederates. By 1890, water from the Arkansas River was being used to irrigate more than 20,000 acres (8,100 ha) of farmland in Kansas. By 1910, irrigation projects in Colorado had caused

10902-474: The Arkansas River for thousands of years. The first Europeans to see the river were members of the Spanish Coronado expedition on June 29, 1541. Also in the 1540s, Hernando de Soto discovered the junction of the Arkansas with the Mississippi. The Spanish originally called the river Napeste . "The name "Arkansas" was first applied by French Father Jacques Marquette , who called the river Akansa in his journal of 1673. The Joliet-Marquette expedition travelled

11060-436: The Arkansas River in central Colorado have been known for exceptional trout fishing, particularly fly fishing , since the 19th century, when greenback cutthroat trout dominated the river. Today, brown trout dominate the river, which also contains rainbow trout . Trout Unlimited considers the Arkansas one of the top 100 trout streams in America, a reputation the river has had since the 1950s. From Leadville to Pueblo,

11218-425: The Arkansas River include Canon City , Pueblo , La Junta , and Lamar, Colorado ; Garden City , Dodge City , Hutchinson , and Wichita, Kansas ; Tulsa, Oklahoma ; and Fort Smith and Little Rock, Arkansas . The May 2002 I-40 bridge disaster took place on I-40 's crossing of Kerr Reservoir on the Arkansas River near Webbers Falls, Oklahoma . Since 1902, Kansas has claimed that Colorado takes too much of

11376-537: The Arkansas River is serviced by numerous fly shops and guides operating in Buena Vista, Salida, Cañon City, and Pueblo. Colorado Parks and Wildlife provides regular online fishing reports for the river. A fish kill occurred on December 29, 2010, in which an estimated 100,000 freshwater drum lined the Arkansas River bank . An investigation, conducted by the Arkansas Game and Fish Commission, found

11534-721: The Arkansas River, reaching a place called Arkansas Post , about 60 miles (97 km) above the confluence of the Arkansas and the Mississippi rivers. In mid-April 1822, the Robert Thompson , towing a keelboat, was the first steamboat to navigate the Arkansas as far as Fort Smith. For five years, Fort Smith was known as the head of navigation for steamboats on the river. It lost the title to Fort Gibson in April 1832, when three steamboats, Velocipede , Scioto, and Catawba , all arrived at Fort Gibson later that month. Later,

11692-484: The Arkansas runs as a steep fast-flowing mountain river through the Rockies in its narrow valley, dropping 4,600 feet (1,400 m) in 120 miles (190 km). This section supports extensive whitewater rafting , including The Numbers (near Granite, Colorado ), Brown's Canyon , and the Royal Gorge . At Cañon City, Colorado , the Arkansas River valley widens and flattens markedly. Just west of Pueblo, Colorado ,

11850-475: The Arkansas. These included flatboats ( bateaus ) and keelboats . Along with the pirogues, they transported piles of deer, bear, otter, beaver, and buffalo skins up and down the river. Agricultural products such as corn, rice, dried peaches, beans, peanuts, snakeroot, sarsaparilla, and ginseng had grown in economic importance. On March 31, 1820, the Comet became the first steamboat to successfully navigate part of

12008-552: The Ghost Dance properly, the European American colonists would vanish, the bison would return, and the living and the dead would be reunited in an Eden ic world. On December 29 at Wounded Knee, gunfire erupted, and U.S. soldiers killed up to 300 Indians, mostly old men, women, and children. Days after the massacre, the author L. Frank Baum wrote: The Pioneer has before declared that our only safety depends upon

12166-585: The Green River briefly crosses over into Colorado. The Western Slope of Colorado is drained by the Colorado River and its tributaries (primarily the Gunnison River , Green River , and the San Juan River ). The Colorado River flows through Glenwood Canyon , and then through an arid valley made up of desert from Rifle to Parachute , through the desert canyon of De Beque Canyon , and into

12324-579: The Indians were destined to vanish under the pressure of white civilization, stating in an 1886 lecture: I don't go so far as to think that the only good Indians are dead Indians, but I believe nine out of ten are, and I shouldn't like to inquire too closely into the case of the tenth. One of the last and most notable events during the Indian wars was the Wounded Knee Massacre in 1890. In

12482-746: The Little Earth housing complex in Minneapolis attempt to address. Below are numbers for U.S. citizens self-identifying to selected tribal groupings, according to the 2010 U.S. census. There are 573 federally recognized tribal governments and 326 Indian reservations in the United States. These tribes possess the right to form their own governments, to enforce laws (both civil and criminal) within their lands, to tax, to establish requirements for membership, to license and regulate activities, to zone, and to exclude persons from tribal territories. Limitations on tribal powers of self-government include

12640-492: The Penobscot Nation, Houlton Band of Maliseet Indians, and Passamaquoddy Tribe . These representatives can sponsor any legislation regarding American Indian affairs or co-sponsor any pending State of Maine legislation. Maine is unique regarding Indigenous leadership representation. In the state of Virginia , Native Americans face a unique problem. Until 2017 Virginia previously had no federally recognized tribes but

12798-469: The Rocky Mountains and towns west to Utah. It is less populous than the Front Range but includes a large number of national parks and monuments. The northwestern corner of Colorado is a sparsely populated region, and it contains part of the noted Dinosaur National Monument , which not only is a paleontological area, but is also a scenic area of rocky hills, canyons, arid desert, and streambeds. Here,

12956-511: The Secretary of State, rather than the Bureau of Indian Affairs . The Bureau of Indian Affairs reports on its website that its "responsibility is the administration and management of 55,700,000 acres (225,000 km ) of land held in trust by the United States for American Indians, Indian tribes, and Alaska Natives ". Many Native Americans and advocates of Native American rights believe that it

13114-755: The Southwestern United States. In 1864, Territorial Governor John Evans appointed the Reverend John Chivington as Colonel of the Colorado Volunteers with orders to protect white settlers from Cheyenne and Arapaho warriors who were accused of stealing cattle. Colonel Chivington ordered his troops to attack a band of Cheyenne and Arapaho encamped along Sand Creek. Chivington reported that his troops killed more than 500 warriors. The militia returned to Denver City in triumph, but several officers reported that

13272-730: The Territory. The Union Pacific linked up with the Central Pacific Railroad at Promontory Summit, Utah , on May 10, 1869, to form the First transcontinental railroad . The Denver Pacific Railway reached Denver in June of the following year, and the Kansas Pacific arrived two months later to forge the second line across the continent. In 1872, rich veins of silver were discovered in the San Juan Mountains on

13430-688: The Texans. On March 28, the Coloradans and local New Mexico volunteers stopped the Texans at the Battle of Glorieta Pass , destroyed their cannon and supply wagons, and dispersed 500 of their horses and mules. The Texans were forced to retreat to Santa Fe. Having lost the supplies for their campaign and finding little support in New Mexico, the Texans abandoned Santa Fe and returned to San Antonio in defeat. The Confederacy made no further attempts to seize

13588-478: The U.S. federal government's claim to recognize the "sovereignty" of Native American peoples falls short, given that the United States wishes to govern Native American peoples and treat them as subject to U.S. law. Such advocates contend that full respect for Native American sovereignty would require the U.S. government to deal with Native American peoples in the same manner as any other sovereign nation, handling matters related to relations with Native Americans through

13746-611: The U.S. states of Colorado , Kansas , Oklahoma , and Arkansas . The river's source basin lies in Colorado, specifically the Arkansas River Valley. The headwaters derive from the snowpack in the Sawatch and Mosquito mountain ranges. It flows east into Kansas and finally through Oklahoma and Arkansas, where it meets the Mississippi River. At 1,469 miles (2,364 km), it is the sixth-longest river in

13904-530: The U.S. with the Treaty of Guadalupe Hidalgo after the war in 1848; this included much of the western and southern areas of Colorado. Most American settlers first traveled to Colorado through the Santa Fe Trail , which connected the U.S. to Santa Fe and the Camino Real de Tierra Adentro southward. Others were traveling overland west to the Oregon Country , the new goldfields of California , or

14062-405: The US and more Latinos self-identify with indigenous heritage. Of groups Indigenous to the United States, the largest self-reported tribes are Cherokee (1,449,888), Navajo (434,910), Choctaw (295,373), Blackfeet (288,255), Sioux (220,739), and Apache (191,823). 205,954 respondents specified an Alaska Native identity. Native Hawaiians are counted separately from Native Americans by

14220-665: The Union Army abandoned its forts in the Indian Territory, including Fort Gibson and Fort Smith, to maximize its strength for campaigns elsewhere. The Confederate Army sent troops from Texas to support its Native American allies. Union troops returned to the area later in the war, after defeating the Confederates at the Battle of Pea Ridge and the Battle of Fort Smith . They began recovering the position it had previously abandoned, most notably Fort Gibson and reopened

14378-524: The Union as the 38th state and earning it the moniker "Centennial State". The discovery of a major silver lode near Leadville in 1878 triggered the Colorado Silver Boom . The Sherman Silver Purchase Act of 1890 invigorated silver mining, and Colorado's last, but greatest, gold strike at Cripple Creek a few months later lured a new generation of gold seekers. Colorado women were granted the right to vote on November 7, 1893, making Colorado

14536-629: The United States annexed Texas after the Mexican–American War , in 1846. The treaty was made shortly after the "Old Settler" Cherokee were pushed out of Texas and moved near what became known as Webbers Falls on the Arkansas River. They planned to reunite with the Cherokee who had moved there on the Trail of Tears in 1839. That area, then part of Arkansas Territory , would become Indian Territory and later Oklahoma . This area had long been

14694-600: The United States was established, Native American tribes were considered semi-independent nations, because they generally lived in communities which were separate from communities of white settlers . The federal government signed treaties at a government-to-government level until the Indian Appropriations Act of 1871 ended recognition of independent Native nations, and started treating them as "domestic dependent nations" subject to applicable federal laws. This law did preserve rights and privileges, including

14852-458: The United States, President George Washington and Secretary of War Henry Knox conceived the idea of " civilizing " Native Americans in preparation for their assimilation as U.S. citizens. Assimilation, whether it was voluntary, as it was with the Choctaw , or forced , was consistently maintained as a matter of policy by consecutive American administrations. During the 19th century,

15010-802: The Western Slope can be found at Colorado Mesa University in Grand Junction, Western Colorado University in Gunnison, Fort Lewis College in Durango, and Colorado Mountain College in Glenwood Springs and Steamboat Springs. The Four Corners Monument in the southwest corner of Colorado marks the common boundary of Colorado, New Mexico , Arizona , and Utah ; the only such place in the United States. The climate of Colorado

15168-509: The Western Slope. Grand Junction and Durango are the only major centers of television broadcasting west of the Continental Divide in Colorado, though most mountain resort communities publish daily newspapers. Grand Junction is located at the juncture of Interstate 70 and US 50, the only major highways in western Colorado. Grand Junction is also along the major railroad of the Western Slope, the Union Pacific . This railroad also provides

15326-558: The alpine snow melts by mid-August except for a few snow-capped peaks and a few small glaciers. The Colorado Mineral Belt , stretching from the San Juan Mountains in the southwest to Boulder and Central City on the front range, contains most of the historic gold- and silver-mining districts of Colorado. The 30 highest major summits of the Rocky Mountains of North America are all within the state. The summit of Mount Elbert at 14,437.6 feet (4,400.58 m) elevation in Lake County

15484-494: The areas around the Great Lakes began exploring the Mississippi and some of its northern tributaries. They soon learned that the birchbark canoes, which had served them so well on the northern waterways, were too light for use on southern rivers such as the Arkansas. They turned to making and using dugout canoes, which they called pirogues , made by hollowing out the trunks of cottonwood trees. Cottonwoods are plentiful along

15642-596: The arid desert of Grand Valley , where the city of Grand Junction is located. Also prominent is the Grand Mesa , which lies to the southeast of Grand Junction; the high San Juan Mountains, a rugged mountain range; and to the north and west of the San Juan Mountains, the Colorado Plateau . Grand Junction, Colorado , at the confluence of the Colorado and Gunnison Rivers, is the largest city on

15800-544: The biggest hail storms in North America. Notable examples are the severe hailstorms that hit Denver on July 11, 1990, and May 8, 2017, the latter being the costliest ever in the state. Native Americans in the United States This is an accepted version of this page Native Americans (also called American Indians , First Americans , or Indigenous Americans ) are the Indigenous peoples of

15958-500: The boundaries of the new Territory of Colorado exclusively by lines of latitude and longitude , stretching from 37°N to 41°N latitude, and from 102°02′48″W to 109°02′48″W longitude ( 25°W to 32°W from the Washington Meridian ). After 163 years of government surveys, the borders of Colorado were officially defined by 697 boundary markers and 697 straight boundary lines . Colorado, Wyoming , and Utah are

16116-407: The census, being classified as Pacific Islanders . According to 2022 estimates, 714,847 Americans reported Native Hawaiian ancestry. The 2010 census permitted respondents to self-identify as being of one or more races. Self-identification dates from the census of 1960; prior to that the race of the respondent was determined by the opinion of the census taker. The option to select more than one race

16274-447: The colonization process as comprising genocide against Native Americans. As part of a policy of white settler colonialism , European settlers continued to wage war and perpetrated massacres against Native American peoples, removed them from their ancestral lands , and subjected them to one-sided government treaties and discriminatory government policies. Into the 20th century, these policies focused on forced assimilation . When

16432-603: The compact did not stop further disputes by the two states over water rights to the river. The Kansas–Oklahoma Arkansas River Basin Compact was created in 1965 to promote mutual consideration and equity over water use in the basin shared by those states. The Kansas–Oklahoma Arkansas River Commission was established, charged with administering the compact and reducing pollution. The compact was approved and implemented by both states in 1970 and has been in force since then. The McClellan–Kerr Arkansas River Navigation System begins at

16590-648: The confluence of the Green River with the Grand River in what is now Canyonlands National Park in Utah . The Macomb party designated the confluence as the source of the Colorado River. On April 12, 1861, South Carolina artillery opened fire on Fort Sumter to start the American Civil War . While many gold seekers held sympathies for the Confederacy , the vast majority remained fiercely loyal to

16748-522: The dehumanizing attitude toward Indigenous Americans that the US was founded on." Native American nations on the plains in the west continued armed conflicts with the U.S. throughout the 19th century, through what were called generally Indian Wars . Notable conflicts in this period include the Dakota War , Great Sioux War , Snake War , Colorado War , and Texas-Indian Wars . Expressing the frontier anti-Indian sentiment, Theodore Roosevelt believed

16906-473: The disputed region. Colonel Pike and his troops were arrested by Spanish cavalrymen in the San Luis Valley the following February, taken to Chihuahua , and expelled from Mexico the following July. The U.S. relinquished its claim to all land south and west of the Arkansas River and south of 42nd parallel north and west of the 100th meridian west as part of its purchase of Florida from Spain with

17064-539: The entire Great Basin and all lands drained by the rivers Green , Grand , and Colorado . The federal government of the U.S. flatly refused to recognize the new Mormon government because it was theocratic and sanctioned plural marriage . Instead, the Compromise of 1850 divided the Mexican Cession and the northwestern claims of Texas into a new state and two new territories, the state of California ,

17222-977: The first Native American television channel; established Native American studies programs, tribal schools universities , museums, and language programs. Literature is at the growing forefront of American Indian studies in many genres, with the notable exception of fiction—some traditional American Indians experience fictional narratives as insulting when they conflict with traditional oral tribal narratives. The terms used to refer to Native Americans have at times been controversial . The ways Native Americans refer to themselves vary by region and generation, with many older Native Americans self-identifying as "Indians" or "American Indians", while younger Native Americans often identify as "Indigenous" or "Aboriginal". The term "Native American" has not traditionally included Native Hawaiians or certain Alaskan Natives , such as Aleut , Yup'ik , or Inuit peoples. By comparison,

17380-525: The greatest loss of life for Indigenous populations. "The decline of native American populations was rapid and severe, probably the greatest demographic disaster ever. Old World diseases were the primary killer. In many regions, particularly the tropical lowlands, populations fell by 90 percent or more in the first century after the contact." Estimates of pre-Columbian population of the United States vary from 4 to 18 million. Jeffrey Ostler writes: "Most Indigenous communities were eventually afflicted by

17538-402: The guarantees of the U.S. Bill of Rights applicable within the tribes. Since the 1960s, Native American self-determination movements have resulted in positive changes to the lives of many Native Americans, though there are still many contemporary issues faced by them . Today, there are over five million Native Americans in the US, about 80% of whom live outside reservations. The states with

17696-561: The highest percentage of Native Americans are Alaska , Oklahoma , New Mexico , South Dakota , Montana , and North Dakota . Beginning toward the end of the 15th century, the migration of Europeans to the Americas led to centuries of population, cultural, and agricultural transfer and adjustment between Old and New World societies, a process known as the Columbian exchange . Because most Native American groups had preserved their histories by means of oral traditions and artwork,

17854-609: The ideology known as manifest destiny became integral to the American nationalist movement. Westward expansion of European American populations after the American Revolution resulted in increasing pressure on Native Americans and their lands, warfare, and rising tensions. In 1830, the U.S. Congress passed the Indian Removal Act , authorizing the federal government to relocate Native Americans from their homelands within established states to lands west of

18012-481: The infamous Columbine High School massacre in 1999 which made international news, where two gunmen killed 12 students and one teacher, before committing suicide. The incident has spawned many copycat incidents . On July 20, 2012, a gunman killed 12 people in a movie theater in Aurora . The state responded with tighter restrictions on firearms, including introducing a limit on magazine capacity. On March 22, 2021,

18170-587: The interior of the Rocky Mountains are several large parks which are high broad basins. In the north, on the east side of the Continental Divide is the North Park of Colorado . The North Park is drained by the North Platte River , which flows north into Wyoming and Nebraska. Just to the south of North Park, but on the western side of the Continental Divide, is the Middle Park of Colorado , which

18328-521: The latter term can encompass a broader set of groups, e.g. Native Hawaiians , which it tabulates separately. The European colonization of the Americas from 1492 resulted in a precipitous decline in the size of the Native American population because of newly introduced diseases , including weaponized diseases and biological warfare by colonizers, wars , ethnic cleansing , and enslavement . Numerous scholars have classified elements of

18486-580: The lower Arkansas River and followed a shorter and more direct route to the Mississippi River. When the McClellan–Kerr Arkansas River Navigation System was constructed between 1963 and 1970, the Arkansas Post Canal was significantly improved, while the lower Arkansas River continued to be bypassed by commercial vessels. Many nations of Native Americans lived near, or along, the 1,450-mile (2,334-km) stretch of

18644-560: The midst and aftermath of the Civil War, many discouraged prospectors returned to their homes, but a few stayed and developed mines, mills, farms, ranches, roads, and towns in Colorado Territory. On September 14, 1864, James Huff discovered silver near Argentine Pass , the first of many silver strikes. In 1867, the Union Pacific Railroad laid its tracks west to Weir, now Julesburg , in the northeast corner of

18802-530: The naval base in San Diego, California, and thus went unscathed. The most recent vessel to bear the name USS Colorado is Virginia-class submarine USS Colorado (SSN-788) , which was commissioned in 2018. Colorado is notable for its diverse geography, which includes alpine mountains, high plains, deserts with huge sand dunes, and deep canyons. In 1861, the United States Congress defined

18960-901: The new Mormon settlements of the State of Deseret in the Salt Lake Valley , avoided the rugged Southern Rocky Mountains , and instead followed the North Platte River and Sweetwater River to South Pass (Wyoming) , the lowest crossing of the Continental Divide between the Southern Rocky Mountains and the Central Rocky Mountains. In 1849, the Mormons of the Salt Lake Valley organized the extralegal State of Deseret , claiming

19118-478: The only states that have their borders defined solely by straight boundary lines with no natural features. The southwest corner of Colorado is the Four Corners Monument at 36°59′56″N , 109°2′43″W . The Four Corners Monument , located at the place where Colorado, New Mexico , Arizona , and Utah meet, is the only place in the United States where four states meet. Approximately half of Colorado

19276-619: The plains and into the foothills, there is a wide variety of climate types. Locations merely a few miles apart can experience entirely different weather depending on the topography. Most valleys have a semi-arid climate, not unlike the eastern plains, which transitions to an alpine climate at the highest elevations. Microclimates also exist in local areas that run nearly the entire spectrum of climates, including subtropical highland ( Cfb/Cwb ), humid subtropical ( Cfa ), humid continental ( Dfa/Dfb ), Mediterranean ( Csa/Csb ) and subarctic ( Dfc ). Extreme weather changes are common in Colorado, although

19434-628: The political power of the Union states , the Republican Party -dominated Congress quickly admitted the eastern portion of the Territory of Kansas into the Union as the free State of Kansas on January 29, 1861, leaving the western portion of the Kansas Territory, and its gold-mining areas, as unorganized territory. Thirty days later on February 28, 1861, outgoing U.S. President James Buchanan signed an Act of Congress organizing

19592-442: The population of Colorado resides, lies in a pronounced precipitation shadow as a result of being on the lee side of the Rocky Mountains. In summer, this area can have many days above 95 °F (35 °C) and often 100 °F (38 °C). On the plains, the winter lows usually range from 25 to −10 °F (−4 to −23 °C). About 75% of the precipitation falls within the growing season, from April to September, but this area

19750-476: The problem was quickly resolved. King would later make trips to Arizona visiting Native Americans on reservations, and in churches encouraging them to be involved in the Civil Rights Movement. In King's book Why We Can't Wait he writes: Arkansas River The Arkansas River is a major tributary of the Mississippi River . It generally flows to the east and southeast as it traverses

19908-410: The problems of Virginia Indians in establishing documented continuity of identity, due to the work of Walter Ashby Plecker (1912–1946). As registrar of the state's Bureau of Vital Statistics, he applied his own interpretation of the one-drop rule , enacted in law in 1924 as the state's Racial Integrity Act. It recognized only two races: "white" and "colored". Plecker, a segregationist , believed that

20066-511: The right to label arts and crafts as Native American and permission to apply for grants that are specifically reserved for Native Americans. But gaining federal recognition as a tribe is extremely difficult; to be established as a tribal group, members have to submit extensive genealogical proof of tribal descent and continuity of the tribe as a culture. In July 2000, the Washington State Republican Party adopted

20224-618: The river enters the Great Plains . Through the rest of Colorado , Kansas , and much of Oklahoma , it is a typical Great Plains riverway, with wide, shallow banks subject to seasonal flooding and periods of dwindling flow. Tributaries include the Cimarron and the Salt Fork Arkansas rivers. In eastern Oklahoma, the river begins to widen further into a more contained consistent channel. To maintain more reliable flow rates,

20382-446: The river path works between the encroaching Boston and Ouachita mountains, including many isolated, flat-topped mesas, buttes, or monadnocks such as Mount Nebo , Petit Jean Mountain , and Mount Magazine , the highest point in the state. The river valley expands as it encounters much flatter land beginning just west of Little Rock, Arkansas . It continues eastward across the plains and forests of eastern Arkansas until it flows into

20540-408: The river to stop flowing in July and August. Flooding in 1927 severely damaged or destroyed nearly every levee downstream of Fort Smith, and led to the development of the Arkansas River Flood Control Association. It also resulted in the Federal government assigning responsibility for flood control and navigation on the Arkansas River to the U.S. Army Corps of Engineers (USACOE). The headwaters of

20698-406: The river's water; it has filed numerous lawsuits over this issue in the U.S. Supreme Court that continue to this day, generally under the name of Kansas v. Colorado . The problems over the possession and use of Arkansas River water by Colorado and Kansas led to the creation of an interstate compact or agreement between the two states. While Congress approved the Arkansas River Compact in 1949,

20856-405: The rivers are semi-humid climate. The area is known for its abundant sunshine and cool, clear nights, which give this area a great average diurnal temperature range . The difference between the highs of the days and the lows of the nights can be considerable as warmth dissipates to space during clear nights, the heat radiation not being trapped by clouds. The Front Range urban corridor, where most of

21014-471: The same limitations applicable to states; for example, neither tribes nor states have the power to make war, engage in foreign relations, or coin money (this includes paper currency). In addition, there are a number of tribes that are recognized by individual states , but not by the federal government. The rights and benefits associated with state recognition vary from state to state. Many Native Americans and advocates of Native American rights point out that

21172-446: The same requirements as they did. The Muwekma Ohlone of the San Francisco Bay Area are pursuing litigation in the federal court system to establish recognition. Many of the smaller eastern tribes, long considered remnants of extinct peoples, have been trying to gain official recognition of their tribal status. Several tribes in Virginia and North Carolina have gained state recognition. Federal recognition confers some benefits, including

21330-424: The second state to grant universal suffrage and the first one by a popular vote (of Colorado men). The repeal of the Sherman Silver Purchase Act in 1893 led to a staggering collapse of the mining and agricultural economy of Colorado, but the state slowly and steadily recovered. Between the 1880s and 1930s, Denver's floriculture industry developed into a major industry in Colorado. This period became known locally as

21488-411: The significant plutonium contamination of surrounding populated areas. From the 1940s and 1970s, many protest movements gained momentum in Colorado, predominantly in Denver. This included the Chicano Movement , a civil rights , and social movement of Mexican Americans emphasizing a Chicano identity that is widely considered to have begun in Denver. The National Chicano Youth Liberation Conference

21646-425: The so-called battle was a blatant massacre of Indians at peace, that most of the dead were women and children, and that the bodies of the dead had been hideously mutilated and desecrated. Three U.S. Army inquiries condemned the action, and incoming President Andrew Johnson asked Governor Evans for his resignation, but none of the perpetrators was ever punished. This event is now known as the Sand Creek massacre . In

21804-546: The south in the late 1950s after they reached out to him. At that time the remaining Creek in Alabama were trying to completely desegregate schools in their area. In this case, light-complexioned Native children were allowed to ride school buses to previously all white schools, while dark-skinned Native children from the same band were barred from riding the same buses. Tribal leaders, upon hearing of King's desegregation campaign in Birmingham, Alabama, contacted him for assistance. He promptly responded and, through his intervention,

21962-582: The southeast, ultimately either via the Mississippi River or the Rio Grande into the Gulf of Mexico . The Rocky Mountains within Colorado contain 53 true peaks and 58 named peaks that are 14,000 feet (4,267 m) or higher in elevation above sea level, known as fourteeners . These mountains are largely covered with trees such as conifers and aspens up to the tree line , at an elevation of about 12,000 feet (3,658 m) in southern Colorado to about 10,500 feet (3,200 m) in northern Colorado. Above this tree line, only alpine vegetation grows. Much of

22120-446: The southern and western states. In the south segregation was a major problem for Native Americans seeking education, but the NAACP's legal strategy would later change this. Movements such as Brown v. Board of Education was a major victory for the Civil Rights Movement headed by the NAACP , and inspired Native Americans to start participating in the Civil Rights Movement. Martin Luther King Jr. began assisting Native Americans in

22278-535: The state as "colored" and gave them lists of family surnames to examine for reclassification based on his interpretation of data and the law. This led to the state's destruction of accurate records related to families and communities who identified as Native American (as in church records and daily life). By his actions, sometimes different members of the same family were split by being classified as "white" or "colored". He did not allow people to enter their primary identification as Native American in state records. In 2009,

22436-435: The state had recognized eight. This is related historically to the greater impact of disease and warfare on the Virginia Indian populations, as well as their intermarriage with Europeans and Africans. Some people confused ancestry with culture, but groups of Virginia Indians maintained their cultural continuity. Most of their early reservations were ended under the pressure of early European settlement. Some historians also note

22594-529: The state's Native Americans had been "mongrelized" by intermarriage with African Americans; to him, ancestry determined identity, rather than culture. He thought that some people of partial black ancestry were trying to " pass " as Native Americans. Plecker thought that anyone with any African heritage had to be classified as colored, regardless of appearance, amount of European or Native American ancestry, and cultural/community identification. Plecker pressured local governments into reclassifying all Native Americans in

22752-411: The strangers a warm welcome. La Harpe's party was honored with the calumet ceremony and spent ten days at this location. In 1988, evidence of a native village was discovered along the Arkansas River 13 miles (21 km) south of present-day Tulsa, Oklahoma . By then, the site was known as the Lasley Vore Site . French traders and trappers who had opened up trade with Indian tribes in Canada and

22910-412: The streams of the southwest and grow to large sizes. The wood is soft and easily worked with the crude tools carried by both the French and Indians. The pirogues were sturdier and could be more useful for navigating the sandbars and snags of the Southern waterways. In 1819, the Adams–Onís Treaty set the Arkansas as part of the frontier between the United States and Spanish Mexico . This continued until

23068-474: The total extermination of the Indians. Having wronged them for centuries, we had better, in order to protect our civilization, follow it up by one more wrong and wipe these untamed and untamable creatures from the face of the earth. In the 20th century, Native Americans served in significant numbers during World War II, marking a turning point for Indigenous visibility and involvement in broader American society. Post-war, Native activism grew, with movements such as

23226-428: The tracks for Amtrak 's California Zephyr passenger train, which crosses the Rocky Mountains between Denver and Grand Junction. The Western Slope includes multiple notable destinations in the Colorado Rocky Mountains, including Glenwood Springs , with its resort hot springs, and the ski resorts of Aspen , Breckenridge , Vail , Crested Butte , Steamboat Springs , and Telluride . Higher education in and near

23384-432: The traditional territory of the Osage . They resisted the new Native Americans moving in with armed conflict. The US encouraged a peace treaty made in 1828 but the territory issue was still unresolved by the time thousands of additional Cherokee refugees moved to the area during the Trail of Tears . By the time Fort Smith was established in 1817, larger capacity watercraft became available to transport goods up and down

23542-412: The valleys and mesas of the Colorado Plateau in far southwestern Colorado. The Ute Nation inhabited the mountain valleys of the Southern Rocky Mountains and the Western Rocky Mountains , even as far east as the Front Range of the present day. The Apache and the Comanche also inhabited the Eastern and Southeastern parts of the state. In the 17th century, the Arapaho and Cheyenne moved west from

23700-597: The violence. In 1927, the 1927-28 Colorado coal strike occurred and was ultimately successful in winning a dollar a day increase in wages. During it however the Columbine Mine massacre resulted in six dead strikers following a confrontation with Colorado Rangers . In a separate incident in Trinidad the mayor was accused of deputizing members of the KKK against the striking workers. More than 5,000 Colorado miners—many immigrants—are estimated to have died in accidents since records were first formally collected following an 1884 accident in Crested Butte that killed 59. In 1924,

23858-466: The winter due to Chinook winds which warms the area, sometimes bringing temperatures of 70 °F (21 °C) or higher in the winter. The average July temperature is 55 °F (13 °C) in the morning and 90 °F (32 °C) in the afternoon. The average January temperature is 18 °F (−8 °C) in the morning and 48 °F (9 °C) in the afternoon, although variation between consecutive days can be 40 °F (22 °C). Just west of

24016-480: The years leading up to it the U.S. government had continued to seize Lakota lands. A Ghost Dance ritual on the Northern Lakota reservation at Wounded Knee, South Dakota , led to the U.S. Army's attempt to subdue the Lakota. The dance was part of a religious movement founded by the Northern Paiute spiritual leader Wovoka that told of the return of the Messiah to relieve the suffering of Native Americans and promised that if they would live righteous lives and perform

24174-415: Was a very significant moment for the rights of Native Americans and other people of color. Native Americans faced racism and prejudice for hundreds of years, and this increased after the American Civil War . Native Americans, like African Americans, were subjected to the Jim Crow Laws and segregation in the Deep South especially after they were made citizens through the Indian Citizenship Act of 1924. As

24332-452: Was as follows: According to Office of Management and Budget, "American Indian or Alaska Native" refers to a person having origins in any of the original peoples of North and South America (including Central America) and who maintains tribal affiliation or community attachment. Despite generally referring to groups indigenous to the continental US and Alaska, this demographic as defined by the US Census Bureau includes all Indigenous people of

24490-436: Was held in Colorado in March 1969. In 1967, Colorado was the first state to loosen restrictions on abortion when governor John Love signed a law allowing abortions in cases of rape, incest, or threats to the woman's mental or physical health. Many states followed Colorado's lead in loosening abortion laws in the 1960s and 1970s. Since the late 1990s, Colorado has been the site of multiple major mass shootings , including

24648-470: Was introduced in 2000. If American Indian or Alaska Native was selected, the form requested the individual provide the name of the "enrolled or principal tribe". Censuses counted around 346,000 Native Americans in 1880 (including 33,000 in Alaska and 82,000 in Oklahoma, back then known as Indian Territory ), around 274,000 in 1890 (including 25,500 in Alaska and 64,500 in Oklahoma), 362,500 in 1930 and 366,500 in 1940, including those on and off reservations in

24806-418: Was previously thought that this relict channel was active at the same time as another relict of the Mississippi River 's meander belt, it has been shown that this channel of the Arkansas was inactive approximately 400 years before the Mississippi channel was active. The Arkansas has three distinct sections in its long path through central North America. At its headwaters beginning near Leadville , Colorado ,

24964-408: Was to establish a trading post near the present city of Texarkana, Arkansas , but he extended his trip overland as far north as the Arkansas River (which he designated as the Alcansas ). The explorer wrote that he and nine other men, including three Caddo guides and 22 horses loaded with trade goods, had come to a native settlement overlooking the river, where there were about 6,000 natives, who gave

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