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118-754: The Treasurer of the State of Colorado is an elected official in the U.S. state of Colorado . The position is responsible for managing the Colorado State Treasury and the Colorado Department of the Treasury , a principal department of the state's government . The Colorado State Treasury currently manages a pool of investments worth about $ 6,000,000,000. The position is one of five officials elected statewide in Colorado, along with

236-720: 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

354-472: A congregational space that was used mostly for ceremonies, was an integral part of the community structure. Archaeologists continue to debate when this distinct culture emerged. The current agreement, based on terminology defined by the Pecos Classification , suggests their emergence around the 12th century BCE, during the archaeologically designated Early Basketmaker II Era . Beginning with

472-514: A different cycle unrelated to rainfall. This forced the abandonment of settlements in the more arid or overfarmed locations. Evidence suggests a profound change in religion in this period. Chacoan and other structures constructed originally along astronomical alignments, and thought to have served important ceremonial purposes to the culture, were systematically dismantled. Doorways were sealed with rock and mortar. Kiva walls show marks from great fires set within them, which probably required removal of

590-587: A dispute between the U.S. and Mexico which eventually erupted into the Mexican–American War in 1846. Mexico surrendered its northern territory to 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

708-483: A few generations was probably also due to migrations of people from surrounding areas. Innovations such as pottery, food storage, and agriculture enabled this rapid growth. Over several decades, the Ancestral Puebloan culture spread across the landscape. Ancestral Puebloan culture has been divided into three main areas or branches, based on geographical location: Modern Pueblo oral traditions hold that

826-424: A large system of easy transportation, as timber was not locally available. Analysis of strontium isotopes shows that much of the timber came from distant mountain ranges. Throughout the southwest Ancestral Puebloan region, the inhabitants built complexes in shallow caves and under rock overhangs in canyon walls. Unlike earlier structures and villages atop mesas, this was a regional 13th-century trend of gathering

944-620: A major industry in Colorado. This period became known locally as 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

1062-653: 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

1180-648: 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

1298-482: A single stage. Most houses faced south. Plazas were almost always surrounded by buildings of sealed-off rooms or high walls. There were often four or five stories, with single-story rooms facing the plaza; room blocks were terraced to allow the tallest sections to compose the pueblo's rear edifice. Rooms were often organized into suites, with front rooms larger than rear, interior, and storage rooms or areas. Ceremonial structures known as kivas were built in proportion to

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1416-662: A smooth, leveled surface in the bedrock or removing vegetation and soil. Large ramps and stairways in the cliff rock connect the roads above the canyon to sites at the bottom. The largest roads, built at the same time as many of the great houses (1000 to 1125 CE), are: the Great North Road, the South Road, the Coyote Canyon Road , the Chacra Face Road , Ahshislepah Road, Mexican Springs Road ,

1534-417: A veneer of small sandstone pieces, which were pressed into a layer of binding mud . These surfacing stones were often arranged in distinctive patterns. The Chacoan structures together required the wood of 200,000 conifer trees, mostly hauled – on foot – from mountain ranges up to 70 miles (110 km) away. One of the most notable aspects of Ancestral Puebloan infrastructure

1652-721: A widespread practice among Ancestral Puebloans. Ancestral Pueblo people in the North American Southwest crafted a unique architecture with planned community spaces. Population centers such as Chaco Canyon (outside Crownpoint, New Mexico ), Mesa Verde (near Cortez, Colorado ), and Bandelier National Monument (near Los Alamos, New Mexico ) have brought renown to the Ancestral Pueblo peoples. They consisted of apartment complexes and structures made of stone, adobe mud, and other local material, or were carved into canyon walls. Developed within these cultures,

1770-519: 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

1888-526: Is characterized by fine hatching, and contrasting colors are produced by the use of mineral-based paint on a chalky background. South of the Anasazi territory, in Mogollon settlements, pottery was more often hand-coiled, scraped, and polished, with red to brown coloring. Certain tall cylinders were likely ceremonial vessels, while narrow-necked jars, called ollas , were often used for liquids. Pottery from

2006-841: 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

2124-688: 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

2242-544: 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

2360-773: 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

2478-535: 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

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2596-466: 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

2714-496: 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 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"

2832-551: 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 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

2950-522: 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

3068-559: 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

3186-812: Is that Ancestral Puebloans responded to pressure from Numic -speaking peoples moving onto the Colorado Plateau, as well as climate change that resulted in agricultural failures. The archaeological record indicates that for Ancestral Puebloans to adapt to climatic change by changing residences and locations was not unusual. Early Pueblo I Era sites may have housed up to 600 individuals in a few separate but closely spaced settlement clusters. However, they were generally occupied for 30 years or less. Archaeologist Timothy A. Kohler excavated large Pueblo I sites near Dolores, Colorado , and discovered that they were established during periods of above-average rainfall. This allowed crops to be grown without requiring irrigation. At

3304-512: Is the Chaco Road at Chaco Canyon, a system of roads radiating from many great house sites such as Pueblo Bonito, Chetro Ketl, and Una Vida. They led toward small outlier sites and natural features in the canyon and outside. Through satellite images and ground investigations, archaeologists have found eight main roads that together run for more than 180 miles (300 km), and are more than 30 feet (10 m) wide. These were built by excavating into

3422-464: 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,

3540-432: 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

3658-876: The American Civil War . While many gold seekers held sympathies for the Confederacy , the vast majority remained fiercely loyal to 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

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3776-593: 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

3894-802: The Camino Real de Tierra Adentro southward. Others were traveling overland west to the Oregon Country , the new goldfields of California , or 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

4012-1167: The Colorado and Little Colorado Rivers in Arizona and the Rio Puerco and Rio Grande in New Mexico. Structures and other evidence of Ancestral Puebloan culture have been found extending east onto the American Great Plains , in areas near the Cimarron and Pecos Rivers and in the Galisteo Basin . Terrain and resources within this large region vary greatly. The plateau regions have high elevations ranging from 4,500 to 8,500 feet (1,400 to 2,600 m). Extensive horizontal mesas are capped by sedimentary formations and support woodlands of junipers , pinyon , and ponderosa pines , each favoring different elevations. Wind and water erosion have created steep-walled canyons, and sculpted windows and bridges out of

4130-623: 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 , 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

4248-538: The Mogollon , Hohokam , and Patayan . In relation to neighboring cultures, the Ancestral Puebloans occupied the northeast quadrant of the area. The Ancestral Puebloan homeland centers on the Colorado Plateau, but extends from central New Mexico on the east to southern Nevada on the west. Areas of southern Nevada, Utah, and Colorado form a loose northern boundary, while the southern edge is defined by

4366-613: 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 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

4484-630: 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 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

4602-648: 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

4720-674: 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

4838-776: 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 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

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4956-490: The sandstone landscape. In areas where resistant strata (sedimentary rock layers), such as sandstone or limestone , overlie more easily eroded strata such as shale , rock overhangs formed. The Ancestral Puebloans favored building under such overhangs for shelters and defensive building sites. All areas of the Ancestral Puebloan homeland suffered from periods of drought and erosion from wind and water. Summer rains could be unreliable and produced destructive thunderstorms. While

5074-422: The "Sky City", in New Mexico. Before 900 CE and progressing past the 13th century, the population complexes were major cultural centers. In Chaco Canyon, Chacoan developers quarried sandstone blocks and hauled timber from great distances, assembling 15 major complexes. These ranked as the largest buildings in North America until the late 19th century. Evidence of archaeoastronomy at Chaco has been proposed, with

5192-432: The 12th and 13th centuries. The main reason is unclear. Factors discussed include global or regional climate change, prolonged drought, environmental degradation such as cyclical periods of topsoil erosion or deforestation, hostility from new arrivals, religious or cultural change, and influence from Mesoamerican cultures. Many of these possibilities are supported by archaeological evidence. Current scholarly consensus

5310-427: The 1913–1914 Coalfield War and the Denver streetcar strike of 1920 resulted in federal troops intervening to end 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

5428-404: 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

5546-686: The American Southwest began to leave their historic homes and migrate south. According to archaeologists Patricia Crown and Steadman Upham, the appearance of the bright colors on Salado Polychromes in the 14th century may reflect religious or political alliances on a regional level. Late 14th- and 15th-century pottery from central Arizona, widely traded in the region, has colors and designs which may derive from earlier ware by both Ancestral Pueblo and Mogollon peoples. The Ancestral Puebloans also excelled at rock art , which included carved petroglyphs and painted pictographs . Ancestral Pueblo peoples painted Barrier Canyon Style pictographs in locations where

5664-413: The Ancestral Puebloans originated from sipapu , where they emerged from the underworld . For unknown ages, they were led by chiefs and guided by spirits as they completed vast migrations throughout the continent of North America. They settled first in the Ancestral Puebloan areas for a few hundred years before moving to their present locations. The Ancestral Puebloans left their established homes in

5782-442: The Chinle, Animas, Jemez , and Taos Rivers. The larger rivers were less directly important to the ancient culture, as smaller streams were more easily diverted or controlled for irrigation. The Ancestral Puebloan culture is perhaps best known for the stone and earth dwellings its people built along cliff walls, particularly during the Pueblo II and Pueblo III eras, from about 900 to 1350 CE in total. The best-preserved examples of

5900-405: The Field Museum in Chicago has been studying a group of Ancestral Puebloan villages that relocated from the canyons to the high mesa tops during the late 13th century. Haas believes that the reason to move so far from water and arable land was a defense against enemies. He asserts that isolated communities relied on raiding for food and supplies, and that internal conflict and warfare became common in

6018-489: The Great Houses were elite, wealthier families. They hosted indoor burials, where gifts were interred with the dead, often including bowls of food and turquoise beads. Over centuries, architectural forms evolved but the complexes kept some core traits, such as their size. They averaged more than 200 rooms each, and some had 700 rooms. Rooms were very large, with higher ceilings than Ancestral Pueblo buildings of earlier periods. They were well-planned: vast sections were built in

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6136-399: 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

6254-598: The Mesa Verde and the Bandelier areas. Evidence also suggests that a profound change took place in the Ancestral Pueblo area and areas inhabited by their cultural neighbors, the Mogollon . Historian James W. Loewen agrees with this oral tradition in his book, Lies Across America: What Our Historic Markers and Monuments Get Wrong (1999). No academic consensus exists with the professional archeological and anthropological community on this issue. Environmental stress may have caused changes in social structure, leading to conflict and warfare. Near Kayenta, Arizona , Jonathan Haas of

6372-404: 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 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

6490-423: The Pueblo II became more self-contained, decreasing trade and interaction with more distant communities. Southwest farmers developed irrigation techniques appropriate to seasonal rainfall, including soil and water control features such as check dams and terraces. The population of the region continued to be mobile, abandoning settlements and fields under adverse conditions. There was also a drop in water table due to

6608-409: 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,

6726-417: 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 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,

6844-527: 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

6962-549: The Sun Dagger petroglyph at Fajada Butte a popular example. Many Chacoan buildings may have been aligned to capture the solar and lunar cycles, requiring generations of astronomical observations and centuries of skillfully coordinated construction. The Chacoans abandoned the canyon, probably due to climate change beginning with a 50-year drought starting in 1130. Immense complexes known as "great houses" embodied worship at Chaco. Archaeologists have found musical instruments, jewelry, ceramics, and ceremonial items, indicating people in

7080-421: 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

7198-466: 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

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7316-466: 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 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

7434-399: 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

7552-566: The United States, comprising southeastern Utah , northeastern Arizona , northwestern New Mexico , and southwestern Colorado . They are believed to have developed, at least in part, from the Oshara tradition , which developed from the Picosa culture . The people and their archaeological culture are often referred to as Anasazi , a term introduced by Alfred V. Kidder from the Navajo word anaasází meaning 'enemy ancestors' ( anaa– 'enemy', -sází 'their ancestors') although Kidder thought it meant 'old people'. Contemporary Puebloans object to

7670-452: The West Road, and the shorter Pintado-Chaco Road. Simple structures like berms and walls are sometimes aligned along the roads. Some tracts of the roads lead to natural features such as springs, lakes, mountain tops, and pinnacles. The longest and best-known of these roads is the Great North Road, which originates from different routes close to Pueblo Bonito and Chetro Ketl. These roads converge at Pueblo Alto and from there lead north beyond

7788-442: 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

7906-447: 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

8024-499: 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

8142-415: The amount of winter snowfall varied greatly, the Ancestral Puebloans depended on the snow for most of their water. Snow melt allowed the germination of seeds, both wild and cultivated, in the spring. Where sandstone layers overlay shale, snow melt could accumulate and create seeps and springs, which the Ancestral Puebloans used as water sources. Snow also fed the smaller, more predictable tributaries, such as

8260-477: 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 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

8378-403: 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

8496-617: 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. Ancient Pueblo peoples The Ancestral Puebloans , also known as the Anasazi and by the earlier term the Basketmaker-Pueblo culture, were an ancient Native American culture that spanned the present-day Four Corners region of

8614-502: 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

8732-461: The canyon limits. Along roadways were only small, isolated structures. Archaeological interpretations of the Chaco road system are divided between an economic purpose and a symbolic, ideological or religious role. The system was discovered in the late 19th century and excavated in the 1970s. By the late 20th century, aerial and satellite photographs helped in the study. Archaeologists suggested that

8850-545: The continuation of the Chaco Canyon elite system, which had seemingly collapsed a century earlier. Other researchers instead explain these motifs as part a wider Pueblo style or religion. During the period from 700 to 1130 CE ( Pueblo I and II Eras ), the population grew fast due to consistent and regular rainfall which supported agriculture. Studies of skeletal remains show increased fertility rather than decreased mortality. However, this tenfold population increase over

8968-475: The dismantling of their religious structures was an effort to symbolically undo the changes they believed they caused due to their abuse of their spiritual power, and thus make amends with nature. Most modern Pueblo peoples (whether Keresans , Hopi , or Tanoans ) assert the Ancestral Puebloans did not "vanish", as is commonly portrayed. They say that the people migrated to areas in the southwest with more favorable rainfall and dependable streams. They merged into

9086-589: The earliest explorations and excavations, researchers identified Ancestral Puebloans as the forerunners of contemporary Pueblo peoples although specific site to modern group connections are unclear. Three UNESCO World Heritage Sites located in the United States are credited to the Pueblos: Mesa Verde National Park , Chaco Culture National Historical Park and Taos Pueblo . Pueblo , which means "village" and "people" in Spanish,

9204-600: The elite family whose burials associate them with the site practiced matrilineal succession. Room 33 in Pueblo Bonito, the richest burial ever excavated in the Southwest, served as a crypt for one powerful lineage, traced through the female line, for approximately 330 years. While other Ancestral Pueblo burials have not yet been subjected to the same archaeogenomic testing, the survival of matrilineal descent among contemporary Pueblo peoples suggests that this may have been

9322-488: 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 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

9440-678: The form of a 300-year period of aridity called the Great Drought. This also led to the collapse of the Tiwanaku civilization around Lake Titicaca in present-day Bolivia. The contemporary Mississippian culture also collapsed during this period. Confirming evidence dated between 1150 and 1350 has been found in excavations of the western regions of the Mississippi Valley , which show long-lasting patterns of warmer, wetter winters and cooler, drier summers. In this later period,

9558-495: The growing populations into close, defensible quarters. There were buildings for housing, defense, and storage. These were built mostly of blocks of hard sandstone, held together and plastered with adobe mortar. Constructions had many similarities, but unique forms due to the unique rock topography. The best-known site is at Mesa Verde, with a large number of well-preserved cliff dwellings. This area included common Pueblo architectural forms, such as kivas, towers, and pit-houses, but

9676-474: The images were protected from the sun yet visible to the public. Designs include human-like forms. The so-called "Holy Ghost panel" in the Horseshoe Canyon is considered to be one of the earliest uses of graphical perspective where the largest figure appears to take on a three-dimensional representation. Recent archaeological evidence has established that in at least one great house, Pueblo Bonito,

9794-483: 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,

9912-519: 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

10030-628: 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

10148-466: The massive roof – a task which would require significant effort. Habitations were abandoned, and tribes divided and resettled far. This evidence suggests that the religious structures were abandoned deliberately over time. Pueblo oral history holds that the ancestors had achieved great spiritual power and control over natural forces. They used their power in ways that caused nature to change and caused changes that were never meant to occur. Possibly,

10266-700: 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, the Ku Klux Klan Colorado Realm achieved dominance in Colorado politics. With peak membership levels, the Second Klan levied significant control over both

10384-486: The meaning of Anasazi to "those who are different from our people"; (lit. Ana = "different from us" + asaza = "the old ones"). Hopi people use the term Hisatsinom , meaning "ancient people", to describe the Ancestral Puebloans. The Ancestral Puebloans were one of four major prehistoric archaeological traditions recognized in the American Southwest, also known as Oasisamerica . The others are

10502-560: 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

10620-531: 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

10738-471: The number of rooms in a pueblo. A small kiva was built for roughly every 29 rooms. Nine complexes each had a Great Kiva, up to 63 feet (19 m) in diameter. T-shaped doorways and stone lintels marked all Chacoan kivas. Although simple and compound walls were often used, great houses usually had core-and-veneer walls: rubble filled the gap between parallel load-bearing walls of dressed, flat sandstone blocks bound in clay mortar. Walls were covered in

10856-482: 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

10974-614: The people also adopted design details from other cultures as far away as contemporary Mexico . These buildings were usually multistoried and multipurposed, and surrounded by open plazas and viewsheds . Hundreds to thousands of people lived in these communities. These complexes hosted cultural and civic events and infrastructure that supported a vast outlying region hundreds of miles away linked by transportation roadways. Built well before 1492 CE, these towns and villages were located in defensive positions, for example on high, steep mesas such as at Mesa Verde or present-day Acoma Pueblo , called

11092-528: The pit-house, a common feature in the Basketmaker periods. Ancestral Puebloans are also known for their pottery. Local plainware pottery used for cooking or storage was unpainted gray, either smooth or textured. Pottery used for more formal purposes was often more richly adorned. In the northern portion of the Ancestral Pueblo lands, from about 500 to 1300 CE, the pottery styles commonly had black-painted designs on white or light gray backgrounds. Decoration

11210-620: 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

11328-444: 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

11446-426: The position in 2022 for another four-year term. This Colorado -related article is a stub . You can help Misplaced Pages by expanding it . Colorado 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

11564-403: The positions of Governor , Lieutenant Governor , Secretary of State and Attorney General . Elections for the position are held during midterm election years for a four year term, with the most recent election being held in 2022 . The current Colorado State Treasurer is Dave Young , a Democrat first elected in 2018 for a four-year term beginning on January 8, 2019. He was reelected to

11682-494: The right to vote on November 7, 1893, making Colorado 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

11800-405: 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

11918-525: The road's main purpose was to transport local and exotic goods to and from the canyon. The economic purpose of the Chaco road system is shown by the presence of luxury items at Pueblo Bonito and elsewhere in the canyon. Items such as macaws , turquoise and seashells, which are not part of this environment, and imported vessels distinguished by design, prove that the Chaco traded with distant regions. The widespread use of timber in Chacoan constructions required

12036-573: The same time, nearby areas that suffered significantly drier patterns were abandoned. Ancestral Puebloans attained a cultural "Golden Age" between about 900 and 1150. During this time, generally classed as Pueblo II Era, the climate was relatively warm and rainfall mostly adequate. Communities grew larger and were inhabited for longer. Highly specific local traditions in architecture and pottery emerged, and trade over long distances appears to have been common. Domesticated turkeys appeared. After around 1130, North America had significant climatic change in

12154-479: 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

12272-483: 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

12390-651: 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

12508-409: The southern regions of Ancestral Pueblo lands has bold, black-line decoration and the use of carbon-based colorants. In northern New Mexico, the local black-on-white pottery tradition, the Rio Grande white wares , continued well after 1300 CE. Changes in pottery composition, structure, and decoration are signals of social change in the archaeological record. This is particularly true as the peoples of

12626-715: The space restrictions of these alcoves resulted in far denser populations. Mug House, a typical cliff dwelling of the period, was home to around 100 people who shared 94 small rooms and eight kivas, built right up against each other and sharing many walls. Builders maximized space use and no area was off-limits. Not all the people in the region lived in cliff dwellings; many colonized the canyon rims and slopes in multifamily structures that grew to unprecedented size as populations swelled. Decorative motifs for these sandstone/mortar structures, both cliff dwellings and not, included T-shaped windows and doors. This has been taken by some archaeologists, such as Stephen Lekson (1999), as evidence of

12744-684: The stone dwellings are now protected within United States' national parks , such as Navajo National Monument , Chaco Culture National Historical Park , Mesa Verde National Park , Canyons of the Ancients National Monument , Aztec Ruins National Monument , Bandelier National Monument , Hovenweep National Monument , and Canyon de Chelly National Monument . These villages, called pueblos by Spanish colonists, were accessible only by rope or through rock climbing. These astonishing building achievements had modest beginnings. The first Ancestral Puebloan homes and villages were based on

12862-577: 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 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

12980-505: 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

13098-554: The traditions of New Mexican cuisine and New Mexico music in the developing Southern Rocky Mountain Front . In 1854, Senator Stephen A. Douglas persuaded 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

13216-466: The use of this term, with some viewing it as derogatory. The Ancestral Puebloans lived in a range of structures that included small family pit houses , larger structures to house clans , grand pueblos , and cliff-sited dwellings for defense. They had a complex network linking hundreds of communities and population centers across the Colorado Plateau . They held a distinct knowledge of celestial sciences that found form in their architecture. The kiva ,

13334-474: The various Pueblo peoples whose descendants still live in Arizona and New Mexico. This perspective was also presented by early 20th-century anthropologists, including Frank Hamilton Cushing , J. Walter Fewkes , and Alfred V. Kidder . Many modern Pueblo tribes trace their lineage from specific settlements. For example, the San Ildefonso Pueblo people believe that their ancestors lived in both

13452-504: 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 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

13570-467: 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

13688-512: Was a term originating with the Spanish explorers who used it to refer to the people's particular style of dwelling. The Navajo people, who now reside in parts of former Pueblo territory, referred to the ancient people as Anaasází , an exonym meaning "ancestors of our enemies", referring to their competition with the Pueblo peoples. The Navajo now use the term in the sense of referring to "ancient people" or "ancient ones", whereas others ascribe

13806-490: 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

13924-559: 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 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

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