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89-541: The Missouri's valley ranges from 6 miles (9.7 km) to 10 miles (16.1 km) wide from edge to edge, with gentle slopes from the adjacent upland to the valley floor. Other segments are narrow, less than two miles (3 km) wide, with rugged valley sides. Generally, the wide segments trend west–east and the narrow segments trend north–south. Starting in the state of Montana , the Missouri River Valley travels through North Dakota , South Dakota , forms

178-425: A keystone species and the primary protein source that Native people had survived on for many centuries, were being destroyed. Experts estimate that around 13 million bison roamed Montana in 1870. In 1875, General Philip Sheridan pleaded to a joint session of Congress to authorize the slaughtering of bison herds to deprive Native people of their source of food. By 1884, commercial hunting had brought bison to

267-448: A bill to establish a temporary government in 1864 for a new territory to be carved out of Idaho, he again chose Montana Territory . This time, representative Samuel Cox , also of Ohio, objected to the name. Cox complained that the name was a misnomer given that most of the territory was not mountainous, and thought a Native American name would be more appropriate than a Spanish one. Other names, such as Shoshone , were suggested, but

356-545: A completed battleship being named for it. Alaska and Hawaii have both had nuclear submarines named after them. Montana is the only state in the union without a modern naval ship named in its honor. However, in August 2007, Senator Jon Tester asked that a submarine be christened USS Montana . Secretary of the Navy Ray Mabus announced on September 3, 2015, that Virginia Class attack submarine SSN-794 will become

445-513: A derisive manner at homesteaders, who were perceived as being "greenhorns", "new at his business", or "unprepared". However, most of these new settlers had farming experience, though many did not. Honyocker, scissorbill, nester ... He was the Joad of a [half] century ago, swarming into a hostile land: duped when he started, robbed when he arrived; hopeful, courageous, ambitious: he sought independence or adventure, comfort and security ... The honyocker

534-559: A district court judge from Forsyth was impeached . Burnings of German-language books and several near-hangings occurred. The prohibition on speaking German remained in effect into the early 1920s. Complicating the wartime struggles, the 1918 influenza epidemic claimed the lives of more than 5,000 Montanans. The suppression of civil liberties that occurred led some historians to dub this period "Montana's Agony". An economic depression began in Montana after World War I and lasted through

623-662: A joint U.S.-Canadian commando-style force that trained at Fort William Henry Harrison for experience in mountainous and winter conditions before deployment. Air bases were built in Great Falls, Lewistown, Cut Bank, and Glasgow , some of which were used as staging areas to prepare planes to be sent to allied forces in the Soviet Union . During the war, about 30 Japanese Fu-Go balloon bombs were documented to have landed in Montana, though no casualties nor major forest fires were attributed to them. In 1940, Jeannette Rankin

712-692: A major open-range cattle operation in Fergus County in 1879. The Grant-Kohrs Ranch National Historic Site in Deer Lodge is maintained today as a link to the ranching style of the late 19th century. Operated by the National Park Service , it is a 1,900-acre (7.7 km ) working ranch. Tracks of the Northern Pacific Railroad (NPR) reached Montana from the west in 1882 and from the east in 1883. However,

801-598: A per capita basis. Montana's Remount station in Miles City provided 10,000 cavalry horses for the war, more than any other Army post in the country. The war created a boom for Montana mining, lumber, and farming interests, as demand for war materials and food increased. In June 1917, the U.S. Congress passed the Espionage Act of 1917 , which was extended by the Sedition Act of 1918 . In February 1918,

890-642: A railroad trestle, considered a lynching . Little's murder and the strikes that followed resulted in the National Guard being sent to Butte to restore order. Overall, anti-German and antilabor sentiment increased and created a movement that led to the passage of the Montana Sedition Act the following February. In addition, the Council of Defense was made a state agency with the power to prosecute and punish individuals deemed in violation of

979-543: Is Big Bend Dam , near Ft. Thompson , and the next dam downstream is Gavins Point Dam , near Yankton . The eight generating units of the Fort Randall Dam are capable of generating 40 megawatts of electricity each, with an annual production of 1.727 billion kilowatt-hours . The combined maximum capacity of 320 megawatts is enough to supply 245,000 households, according to the Corps of Engineers. The river behind

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1068-713: Is one of few geographic areas in the world whose rivers form parts of three major watersheds (i.e. where two continental divides intersect). Its rivers feed the Pacific Ocean, the Gulf of Mexico , and Hudson Bay . The watersheds divide at Triple Divide Peak in Glacier National Park. If Hudson Bay is considered part of the Arctic Ocean, Triple Divide Peak is the only place on Earth with drainage to three different oceans. All waters in Montana west of

1157-791: Is the largest continuous land mass over 10,000 feet (3,000 m) high in the continental United States. It contains the state's highest point, Granite Peak , 12,799 feet (3,901 m) high. North of these ranges are the Big Belt Mountains , Bridger Mountains , Tobacco Roots , and several island ranges, including the Crazy Mountains and Little Belt Mountains . Between many mountain ranges are several rich river valleys. The Big Hole , Bitterroot , Gallatin , Flathead , and Paradise Valleys have extensive agricultural resources and multiple opportunities for tourism and recreation. East and north of this transition zone are

1246-522: Is to the west and southwest, and the Canadian provinces of British Columbia , Alberta , and Saskatchewan are to the north, making it the only state to border three Canadian provinces. With an area of 147,040 square miles (380,800 km ), Montana is slightly larger than Japan or Germany . It is the fourth-largest state in the United States after Alaska , Texas , and California , and

1335-645: The Fred Robinson Bridge at the western boundary of Fort Peck Reservoir was designated a National Wild and Scenic River in 1976. The Missouri enters North Dakota near Fort Union , having drained more than half the land area of Montana (82,000 square miles (210,000 km )). Nearly one-third of the Missouri River in Montana lies behind 10 dams: Toston , Canyon Ferry , Hauser , Holter , Black Eagle , Rainbow , Cochrane , Ryan , Morony , and Fort Peck. Other major Montana tributaries of

1424-1030: The Garnet Range , the Sapphire Mountains , and the Flint Creek Range . The divide's northern section, where the mountains rapidly give way to prairie, is part of the Rocky Mountain Front . The front is most pronounced in the Lewis Range , located primarily in Glacier National Park . Due to the configuration of mountain ranges in Glacier National Park, the Northern Divide (which begins in Alaska's Seward Peninsula ) crosses this region and turns east in Montana at Triple Divide Peak . It causes

1513-506: The Great Depression until the beginning of World War II . This caused great hardship for farmers, ranchers, and miners. By the time the U.S. entered World War II on December 8, 1941, many Montanans had enlisted in the military to escape the poor national economy of the previous decade. Another 40,000-plus Montanans entered the armed forces in the first year following the declaration of war, and more than 57,000 joined up before

1602-670: The Great Northern Railroad (GNR) reached eastern Montana in 1887 and when they reached the northern Rocky Mountains in 1890, the GNR became a significant promoter of tourism to Glacier National Park region. The transcontinental GNR was completed on January 6, 1893, at Scenic, Washington and is known as the Hi Line , being the northernmost transcontinental rail line in the United States. EXECUTIVE MANSION, WASHINGTON, D.C. November 7, 1889 To Hon. Joseph K. Toole, Governor of

1691-670: The Great Sioux War of 1876 . The transcontinental NPR was completed on September 8, 1883, at Gold Creek . In 1881, the Utah and Northern Railway , a branch line of the Union Pacific , completed a narrow-gauge line from northern Utah to Butte. A number of smaller spur lines operated in Montana from 1881 into the 20th century, including the Oregon Short Line , Montana Railroad , and Milwaukee Road . Tracks of

1780-539: The Lake Francis Case Project cost approximately $ 200 million. U.S. Route 18 and U.S. Route 281 cross the crest of the dam. The dam is just over 3 mi (5 km) north of the Nebraska state line. The Fort Randall Dam is located within sight of its namesake Fort Randall , an early U.S. Army Frontier Post. Fort Randall Dam is one of six Missouri River mainstem dams; the next dam upstream

1869-727: The Marias Massacre (1870), Battle of the Little Bighorn (1876), Battle of the Big Hole (1877), and Battle of Bear Paw (1877). The last recorded conflict in Montana between the U.S. Army and Native Americans occurred in 1887 during the Battle of Crow Agency in the Big Horn country. Native survivors who had signed treaties were generally required to move onto reservations . Simultaneously with these conflicts, bison ,

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1958-570: The Missouri River and impounds Lake Francis Case , the 11th-largest reservoir in the U.S. The dam joins Gregory and Charles Mix counties, South Dakota , a distance of 880 river miles (1,416 km) upstream of St. Louis , Missouri , where the river joins the Mississippi River . The dam and hydroelectric power plant were constructed by and are currently operated by the U.S. Army Corps of Engineers . Fort Randall Dam

2047-584: The Pick-Sloan Missouri Basin Program . Designed to benefit the entirety of the Missouri River Basin including the valley, the plan sought to meet the needs of residents throughout the area by providing irrigation systems and reservoirs for storing water where needed, along with hydroelectric power , flood control measures, and navigational improvement. The government did not complete the comprehensive plan for

2136-705: The Reclamation Act was passed, allowing irrigation projects to be built in Montana's eastern river valleys. In 1909, Congress passed the Enlarged Homestead Act that expanded the amount of free land from 160 to 320 acres (0.6 to 1.3 km ) per family and in 1912 reduced the time to "prove up" on a claim to three years. In 1916, the Stock-Raising Homestead Act allowed homesteads of 640 acres in areas unsuitable for irrigation. This combination of advertising and changes in

2225-652: The Waterton River , Belly , and Saint Mary rivers to flow north into Alberta , Canada. There they join the Saskatchewan River , which ultimately empties into Hudson Bay . East of the divide, several roughly parallel ranges cover the state's southern part, including the Gravelly Range , Madison Range , Gallatin Range , Absaroka Mountains , and Beartooth Mountains . The Beartooth Plateau

2314-453: The 1950s and 60s for greater volumes of traffic on the river, which have never come to fruition. Following at a distance of years the first recorded exploration of the majority of the valley by the Lewis and Clark Expedition (1804–1806), there have been numerous attempts at preserving the natural habitats of the Missouri River Valley, spurred in its early days by concerns of duck hunters , for

2403-483: The Act. The council also passed rules limiting public gatherings and prohibiting the speaking of German in public. In the wake of the legislative action in 1918, emotions rose. U.S. Attorney Burton K. Wheeler and several district court judges who hesitated to prosecute or convict people brought up on charges were strongly criticized. Wheeler was brought before the Council of Defense, though he avoided formal proceedings, and

2492-652: The Columbia. East of the divide the Missouri River , which is formed by the confluence of the Jefferson , Madison , and Gallatin Rivers near Three Forks , flows due north through the west-central part of the state to Great Falls . From this point, it then flows generally east through fairly flat agricultural land and the Missouri Breaks to Fort Peck reservoir . The stretch of river between Fort Benton and

2581-669: The Committee on Territories decided that they had discretion to choose the name, so the original name of Montana was adopted. For thousands of years, various indigenous peoples have inhabited the land that is now Montana. Historic tribes encountered by Europeans and settlers from the United States included the Crow in the south-central area, the Cheyenne and Lakota in the southeast, the Blackfeet , Assiniboine , and Gros Ventres in

2670-480: The Great Falls land office alone had more than a thousand homestead filings per month, and at the peak of 1917–1918 it had 14,000 new homesteads each year. Significant drops occurred following the drought in 1919. As World War I broke out, Jeannette Rankin , representative of Montana and the first woman in the United States to be a member of Congress, voted against the United States' declaration of war. Her actions were widely criticized in Montana, where support for

2759-468: The Homestead Act drew tens of thousands of homesteaders, lured by free land, with World War I bringing particularly high wheat prices. In addition, Montana was going through a temporary period of higher-than-average precipitation. Homesteaders arriving in this period were known as "honyockers", or "scissorbills". The word honyocker possibly derived from the ethnic slur hunyak and was applied in

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2848-506: The Midwest and western United States. Montana did not see a large influx of immigrants from this act because 160 acres were usually insufficient to support a family in the arid territory. The first homestead claim under the act in Montana was made by David Carpenter near Helena in 1868. The first claim by a woman was made near Warm Springs Creek by Gwenllian Evans, the daughter of Deer Lodge Montana pioneer, Morgan Evans. By 1880, farms were in

2937-477: The Missouri River Valley, particularly near the Nebraska cities of Brownville , Rulo , Plattsmouth , Fort Calhoun , and Ponca , rising no more than 200 feet (61 m) above the Missouri River bottoms. The majority of these hills stretch along the east side of the river, from Westfield, Iowa in the north to Mound City, Missouri in the south. Channeling and levee construction have altered how floods affect

3026-527: The Missouri River Valley. Several large floods have affected the valley since Europeans first came into the area. The first recorded event is the Great Flood of 1844 , which crested in Kansas City on July 16, 1844, discharged 625,000 cubic feet (17,698 m) per second. The Great Flood of 1951 discharged 573,000 cubic feet (16,226 m) per second, cresting on July 14, 1951. This flood devastated

3115-670: The Missouri River. In the 1850s, settlers began moving into the Beaverhead and Big Hole valleys from the Oregon Trail and into the Clark's Fork valley. The first gold discovered in Montana was at Gold Creek near present-day Garrison in 1852. The Gold rush in the region commenced in earnest starting in 1862. A series of major mineral discoveries in the western part of the state found gold, silver, copper, lead, and coal (and later oil) which attracted tens of thousands of miners to

3204-836: The Missouri basin lies across a major migration route, the Central Flyway , and in the river's lower reaches, the Mississippi Flyway . Today there are several protected areas throughout the course of the Missouri River Valley. They include the Theodore Roosevelt National Park , Mark Twain National Forest in Missouri and the DeSoto National Wildlife Refuge in Nebraska. The Katy Trail travels along

3293-594: The Missouri include the Smith , Milk , Marias , Judith , and Musselshell Rivers . Montana also claims the disputed title of possessing the world's shortest river, the Roe River , just outside Great Falls . Through the Missouri, these rivers ultimately join the Mississippi River and flow into the Gulf of Mexico. Fort Randall Dam Fort Randall Dam is a 2.03-mile-long (3 km) earthen dam which spans

3382-546: The Montana Sedition Act. The Montanans who opposed U.S. entry into the war included immigrant groups of German and Irish heritage, as well as pacifist Anabaptist people such as the Hutterites and Mennonites , many of whom were also of Germanic heritage. In turn, pro-War groups formed, such as the Montana Council of Defense, created by Governor Samuel V. Stewart and local "loyalty committees". War sentiment

3471-508: The Montana legislature had passed the Montana Sedition Act, which was a model for the federal version. In combination, these laws criminalized criticism of the U.S. government, military, or symbols through speech or other means. The Montana Act led to the arrest of more than 200 individuals and the conviction of 78, mostly of German or Austrian descent. More than 40 spent time in prison. In May 2006, then-Governor Brian Schweitzer posthumously issued full pardons for all those convicted of violating

3560-539: The Montana prairie for three years, did little to irrigate the land and then abandoned it without paying the final fees. Some farmers came with the arrival of the Great Northern and Northern Pacific Railroads throughout the 1880s and 1890s, though in relatively small numbers. In the early 1900s, James J. Hill of the Great Northern began to promote settlement in the Montana prairie to fill his trains with settlers and goods. Other railroads followed suit. In 1902,

3649-792: The State of Montana: The president signed and issued the proclamation declaring Montana a state of the union at 10:40 o'clock this morning. Under Territorial Governor Thomas Meagher , Montanans held a constitutional convention in 1866 in a failed bid for statehood. A second constitutional convention held in Helena in 1884 produced a constitution ratified 3:1 by Montana citizens in November 1884. For political reasons, Congress did not approve Montana statehood until February 1889 and President Grover Cleveland signed an omnibus bill granting statehood to Montana, North Dakota, South Dakota, and Washington once

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3738-405: The U.S. were sent to Montana during the war as smokejumpers and for other forest fire-fighting duties. In 1942, the U.S. Army established Camp Rimini near Helena for the purpose of training sled dogs in winter weather. During World War II, the planned battleship USS Montana was named in honor of the state but it was never completed. Montana is the only one of the first 48 states lacking

3827-645: The appropriate state constitutions were crafted. In July 1889, Montanans convened their third constitutional convention and produced a constitution accepted by the people and the federal government. On November 8, 1889, President Benjamin Harrison proclaimed Montana the union's 41st state. The first state governor was Joseph K. Toole . In the 1880s, Helena (the state capital) had more millionaires per capita than any other United States city. The Homestead Act of 1862 provided free land to settlers who could claim and "prove-up" 160 acres (0.65 km ) of federal land in

3916-519: The area. The richest of all gold placer diggings was discovered at Alder Gulch, where the town of Virginia City was established. Other rich placer deposits were found at Last Chance Gulch, where the city of Helena now stands, Confederate Gulch , Silver Bow, Emigrant Gulch, and Cooke City . Gold output between 1862 and 1876 reached $ 144 million, after which silver became even more important. The largest mining operations were at Butte, with important silver deposits and expansive copper deposits. Before

4005-434: The area. Though the increased interaction between fur traders and indigenous peoples frequently proved to be a profitable partnership, conflicts broke out when indigenous interests were threatened, such as the conflict between American trappers and the Blackfeet . Indigenous peoples in the region were also decimated by diseases introduced by fur traders to which they had no immunity. The trading post Fort Raymond (1807–1811)

4094-573: The central and north-central area, and the Kootenai and Salish the ( Séliš or “Flathead” ) in the west. The ( Ql̓ispé or Pend d'Oreilles ) and Kalispel tribes lived near Flathead Lake and the western mountains, respectively. A part of southeastern Montana was used as a corridor between the Crows and the related Hidatsas in North Dakota. As part of the Missouri River watershed, all of

4183-439: The creation of Yellowstone National Park in 1872. As settlers began populating Montana from the 1850s through the 1870s, disputes with Native Americans ensued, primarily over land ownership and control. In 1855, Washington Territorial Governor Isaac Stevens negotiated the Hellgate Treaty between the United States government and the Salish, Pend d'Oreille, and Kootenai people of western Montana, which established boundaries for

4272-506: The creation of Montana Territory (1864–1889), areas within present-day Montana were part of the Oregon Territory (1848–1859), Washington Territory (1853–1863), Idaho Territory (1863–1864), and Dakota Territory (1861–1864). Montana Territory became a territory of the United States on May   26, 1864. The first territorial capital was located at Bannack . Sidney Edgerton served as the first territorial governor. The capital moved to Virginia City in 1865 and to Helena in 1875. In 1870,

4361-553: The dam drains an area of 263,480 sq mi (682,400 km ). Its reservoir, Lake Francis Case , has a surface area of 102,000 acres (41,000 ha) at maximum operating pool, coinciding with a volume of 5.7 million acre⋅ft (7.0 billion m ). In June 2011, in response to the 2011 Missouri River Floods , the dam was releasing over 143,000 cu ft/s (4,000 m /s), which greatly exceeded its previous record release of 67,000 cu ft/s (1,900 m /s) set in 1997. The Fort Randall Visitor Center

4450-406: The divide flow into the Columbia River . The Clark Fork of the Columbia (not to be confused with the Clarks Fork of the Yellowstone River) rises near Butte and flows northwest to Missoula , where it is joined by the Blackfoot River and Bitterroot River . Farther downstream, it is joined by the Flathead River before entering Idaho near Lake Pend Oreille . The Pend Oreille River forms

4539-426: The entire mountainous region of the west. The name Montana was added in 1863 to a bill by the United States House Committee on Territories (chaired at the time by James Ashley of Ohio ) for the territory that would become Idaho Territory . The name was changed by representatives Henry Wilson (Massachusetts) and Benjamin F. Harding (Oregon), who complained that Montana had "no meaning". When Ashley presented

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4628-486: The environment. Weather and agricultural conditions are much harsher and drier west of the 100th meridian. Then, the droughts of 1917–1921 proved devastating. Many people left, and half the banks in the state went bankrupt as a result of providing mortgages that could not be repaid. As a result, farm sizes increased while the number of farms decreased. By 1910, homesteaders filed claims on over five million acres, and by 1923, over 93 million acres were farmed. In 1910,

4717-470: The expansive and sparsely populated Northern Plains , with tableland prairies, smaller island mountain ranges, and badlands . The isolated island ranges east of the Divide include the Bear Paw Mountains, Bull Mountains , Castle Mountains , Crazy Mountains , Highwood Mountains , Judith Mountains , Little Belt Mountains , Little Rocky Mountains , the Pryor Mountains , Little Snowy Mountains , Big Snowy Mountains , Sweet Grass Hills , and—in

4806-399: The hole", referring directly to the Minuteman missiles in Montana. Montana eventually became home to the largest ICBM field in the U.S. covering 23,500 square miles (61,000 km ). Montana is one of the eight Mountain States , located in the north of the region known as the Western United States . It borders North Dakota and South Dakota to the east. Wyoming is to the south, Idaho

4895-410: The land in Montana east of the Continental Divide was part of the Louisiana Purchase in 1803, except for a tiny portion in the northeast that is part of the Hudson Bay drainage . Subsequent to and particularly in the decades following the Lewis and Clark Expedition , European, Canadian and American traders operated a fur trade , trading with indigenous peoples in both western and eastern portions of

4984-401: The largest landlocked state. The state's topography is roughly defined by the Continental Divide , which splits much of the state into distinct eastern and western regions. Most of Montana's hundred or more named mountain ranges are in the state's western half, most of which is geologically and geographically part of the northern Rocky Mountains . The Absaroka and Beartooth ranges in

5073-405: The longest continuous ranges in the Rocky Mountain chain from Alaska to Mexico —along with smaller ranges, including the Coeur d'Alene Mountains and the Cabinet Mountains , divide the state from Idaho. The southern third of the Bitterroot range blends into the Continental Divide. Other major mountain ranges west of the divide include the Cabinet Mountains , the Anaconda Range , the Missions ,

5162-443: The lower Missouri River Valley, including Kansas City, along a reach of river where there was no levee system. The Kansas City Stockyards were destroyed and the city was forced to move the development of an airport away from the Missouri River bottoms. The Great Flood of 1993 discharged at 541,000 cubic feet (15,319 m) per second and devastated much of the upper valley. The Missouri River Valley Culture, or "Steamboat Society,"

5251-492: The more verdant valleys of central and western Montana, but few were on the eastern plains. The Desert Land Act of 1877 was passed to allow settlement of arid lands in the west and allotted 640 acres (2.6 km ) to settlers for a fee of $ .25 per acre and a promise to irrigate the land. After three years, a fee of one dollar per acre would be paid and the settler would own the land. This act brought mostly cattle and sheep ranchers into Montana, many of whom grazed their herds on

5340-571: The most scenic badlands regions in the state. The Hell Creek Formation in Northeast Montana is a major source of dinosaur fossils . Paleontologist Jack Horner of the Museum of the Rockies in Bozeman brought this formation to the world's attention with several major finds. Montana has thousands of named rivers and creeks, 450 miles (720 km) of which are known for "blue-ribbon" trout fishing. Montana's water resources provide for recreation, hydropower , crop and forage irrigation, mining, and water for human consumption. Montana

5429-468: The newly formed Metal Mine Workers' Union, opposed the war on grounds it mostly profited large lumber and mining interests. In the wake of ramped-up mine production and the Speculator Mine disaster in June 1917, Industrial Workers of the World organizer Frank Little arrived in Butte to organize miners. He gave some speeches with inflammatory antiwar rhetoric. On August 1, 1917, he was dragged from his boarding house by masked vigilantes , and hanged from

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5518-469: The non-Indian population of the Montana Territory was 20,595. The Montana Historical Society , founded on February   2, 1865, in Virginia City, is the oldest such institution west of the Mississippi (excluding Louisiana). In 1869 and 1870 respectively, the Cook–Folsom–Peterson and the Washburn–Langford–Doane Expeditions were launched from Helena into the Upper Yellowstone region. The extraordinary discoveries and reports from these expeditions led to

5607-406: The north. It is the fourth-largest state by area , but the eighth-least populous state and the third-least densely populated state . Its capital is Helena , while the most populous city is Billings . The western half of the state contains numerous mountain ranges, while the eastern half is characterized by western prairie terrain and badlands , with smaller mountain ranges found throughout

5696-417: The outflow of Lake Pend Oreille. The Pend Oreille River joined the Columbia River, which flows to the Pacific Ocean—making the 579-mile (932 km) long Clark Fork/Pend Oreille (considered a single river system) the longest river in the Rocky Mountains. The Clark Fork discharges the greatest volume of water of any river exiting the state. The Kootenai River in northwest Montana is another major tributary of

5785-464: The railroad played a major role in sparking tensions with Native American tribes in the 1870s. Jay Cooke , the NPR president, launched major surveys into the Yellowstone valley in 1871, 1872, and 1873, which were challenged forcefully by the Sioux under chief Sitting Bull . These clashes, in part, contributed to the Panic of 1873 , a financial crisis that delayed the construction of the railroad into Montana. Surveys in 1874, 1875, and 1876 helped spark

5874-543: The region during the Oligocene 33 to 23 million years ago. Tablelands are often topped with argillite gravel and weathered quartzite, occasionally underlain by shale. The glaciated plains are generally covered in clay, gravel, sand, and silt left by the proglacial Lake Great Falls or by moraines or gravel-covered former lake basins left by the Wisconsin glaciation 85,000 to 11,000 years ago. Farther east, areas such as Makoshika State Park near Glendive and Medicine Rocks State Park near Ekalaka contain some of

5963-457: The river, which prospered further when reservations were allotted throughout the region. Uniting themselves along the banks of the river, South Dakotans identify themselves even today as "East River" or "West River". According to the University of South Dakota , the associated present-day culture of the Missouri River Valley contains a broad swath of political, social, historic, and artistic perspectives. The Flood Control Act of 1944 introduced

6052-478: The second commissioned warship to bear the name. In the post-World War II Cold War era, Montana became host to U.S. Air Force Military Air Transport Service (1947) for airlift training in C-54 Skymasters and eventually, in 1953 Strategic Air Command air and missile forces were based at Malmstrom Air Force Base in Great Falls. The base also hosted the 29th Fighter Interceptor Squadron , Air Defense Command from 1953 to 1968. In December 1959, Malmstrom AFB

6141-565: The sedimentary rock. The underlying surface consists of sandstone and shale . Surface soils in the area are highly diverse, and greatly affected by the local geology, whether glaciated plain, intermountain basin, mountain foothills, or tableland. Foothill regions are often covered in weathered stone or broken slate , or consist of uncovered bare rock (usually igneous, quartzite , sandstone, or shale). The soil of intermountain basins usually consists of clay , gravel , sand , silt , and volcanic ash , much of it laid down by lakes which covered

6230-448: The shared border of eastern Nebraska and western Iowa , goes into Kansas and then eastward through the state of Missouri . The valley travels through several distinct ecoregions with distinct climate, geology and native species. The Loess Hills are a unique geographic feature of the valley. Loess , a wind-deposited soil, is compounded in slowly rising hills at various points in extreme eastern portions of Nebraska and Kansas along

6319-406: The state's economy. Montana's fastest-growing sector is tourism, with 12.6 million tourists (as of 2019) visiting the state each year. The name Montana comes from the Spanish word montaña , which in turn comes from the Latin word montanea , meaning "mountain" or more broadly "mountainous country". Montaña del Norte ('Northern Mountain') was the name given by early Spanish explorers to

6408-584: The state's main economic engine through the mid-20th century. Montana has no official nickname but several unofficial ones, most notably "Big Sky Country", "The Treasure State", "Land of the Shining Mountains", and " The Last Best Place ". Its economy is primarily based on agriculture , including ranching and cereal grain farming. Other significant economic resources include oil , gas , coal , mining , and lumber . The health care, service, defense, and government sectors are also significant to

6497-542: The state's south-central part are technically part of the Central Rocky Mountains. The Rocky Mountain Front is a significant feature in the state's north-central portion, and isolated island ranges that interrupt the prairie landscape common in the central and eastern parts of the state. About 60 percent of the state is prairie, part of the northern Great Plains . The Bitterroot Mountains —one of

6586-693: The state's southeastern corner near Ekalaka —the Long Pines . Many of these isolated eastern ranges were created about 120 to 66 million years ago when magma welling up from the interior cracked and bowed the earth's surface here. The area east of the divide in the state's north-central portion is known for the Missouri Breaks and other significant rock formations . Three buttes south of Great Falls are major landmarks: Cascade, Crown, Square, Shaw, and Buttes. Known as laccoliths , they formed when igneous rock protruded through cracks in

6675-711: The state. Most of Montana first came under American sovereignty with the Louisiana Purchase from France in 1803 and was explored by the Lewis and Clark Expedition shortly thereafter. Fur trappers followed and were the main economic activity in the area until gold was discovered in 1852. The ensuing gold rush, along with the passage of the Homestead Acts in 1862, brought large numbers of American settlers to Montana. Rapid population growth and development culminated in statehood on November 8, 1889. Mining, particularly around Butte and Helena , would remain

6764-650: The tribal nations. The treaty was ratified in 1859. While the treaty established what later became the Flathead Indian Reservation , trouble with interpreters and confusion over the terms of the treaty led Whites to believe the Bitterroot Valley was opened to settlement, but the tribal nations disputed those provisions. The Salish remained in the Bitterroot Valley until 1891. The first U.S. Army post established in Montana

6853-593: The valley in Missouri. Other protected areas in the valley include: Montana Montana ( / m ɒ n ˈ t æ n ə / mon- TAN -ə ) is a landlocked state in the Mountain West subregion of the Western United States . It borders Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, and the Canadian provinces of Alberta , British Columbia , and Saskatchewan to

6942-774: The valley, instead introducing individual projects, including the construction of six dams. They are the Fort Peck Dam in Montana, the Garrison Dam in North Dakota, the Oahe , Big Bend , and Fort Randall Dams in South Dakota, and the Gavins Point Dam in Nebraska and South Dakota. The channel of the Missouri was also improved extensively along with the development of ports such as the one in Omaha throughout

7031-606: The verge of extinction; only about 325 bison remained in the entire United States. Cattle ranching has been central to Montana's history and economy since Johnny Grant began wintering cattle in the Deer Lodge Valley in the 1850s and traded cattle fattened in fertile Montana valleys with emigrants on the Oregon Trail. Nelson Story brought the first Texas Longhorn cattle into the territory in 1866. Granville Stuart , Samuel Hauser , and Andrew J. Davis started

7120-438: The war and patriotism was strong. In 1917–1918, due to a miscalculation of Montana's population, about 40,000 Montanans, 10% of the state's population, volunteered or were drafted into the armed forces. This represented a manpower contribution to the war that was 25% higher than any other state on a per capita basis. Around 1,500 Montanans died as a result of the war and 2,437 were wounded, also higher than any other state on

7209-577: The war ended. These numbers constituted about ten percent of the state's population, and Montana again contributed one of the highest numbers of soldiers per capita of any state. Many Native Americans were among those who served, including soldiers from the Crow Nation who became Code Talkers . At least 1,500 Montanans died in the war. Montana also was the training ground for the First Special Service Force or "Devil's Brigade",

7298-542: Was Camp Cooke in 1866, on the Missouri River, to protect steamboat traffic to Fort Benton. More than a dozen additional military outposts were established in the state. Pressure over land ownership and control increased due to discoveries of gold in various parts of Montana and surrounding states. Major battles occurred in Montana during Red Cloud's War , the Great Sioux War of 1876 , and the Nez Perce War and in conflicts with Piegan Blackfeet . The most notable were

7387-507: Was again elected to Congress. In 1941, as she had in 1917, she voted against the United States' declaration of war after the Japanese attack on Pearl Harbor . Hers was the only vote against the war, and in the wake of public outcry over her vote, Rankin required police protection for a time. Other pacifists tended to be those from "peace churches" who generally opposed war. Many individuals claiming conscientious objector status from throughout

7476-637: Was authorized by the Flood Control Act of 1944 and plays a key role in the Pick–Sloan Plan for development of water resources in the Missouri River basin. The U.S. Army Corps of Engineers began construction of the dam in 1946, and was the first Pick–Sloan dam completed by the Omaha District. President Dwight D. Eisenhower threw the switch that started the first power generating unit in 1954. When completed in 1956, Fort Randall Dam and

7565-399: Was complicated by labor issues. The Anaconda Copper Company , which was at its historic peak of copper production, was an extremely powerful force in Montana, but it also faced criticism and opposition from socialist newspapers and unions struggling to make gains for their members. In Butte, a multiethnic community with a significant European immigrant population, labor unions, particularly

7654-671: Was constructed in Crow Indian country in 1807. Until the Oregon Treaty of 1846, land west of the continental divide was disputed between the British and U.S. governments and was known as the Oregon Country . The first permanent settlement by Euro-Americans in what today is Montana was St. Mary's , established in 1841 near present-day Stevensville . In 1847, Fort Benton was built as the uppermost fur-trading post on

7743-617: Was farmer, spinster, deep-sea diver; fiddler, physician, bartender, cook. He lived in Minnesota or Wisconsin, Massachusetts or Maine. There the news sought him out—Jim Hill's news of free land in the Treasure State ... However, farmers faced a number of problems. Massive debt was one. Also, most settlers were from wetter regions, unprepared for the dry climate, lack of trees, and scarce water resources. In addition, small homesteads of fewer than 320 acres (130 ha) were unsuited to

7832-456: Was first defined in the 1850s by non-Indian residents of the Dakotas who sold wood to steamboats or trapped furs along the river bottoms. Gambling, prostitution and illegal alcohol sales to American Indians fueled the growth of the culture, which eventually included outfitters , livestock ranchers and tribal agents . In response to this economic activity, a line of urbanized centers grew along

7921-548: Was selected as the home of the new Minuteman I intercontinental ballistic missile . The first operational missiles were in place and ready in early 1962. In late 1962, missiles assigned to the 341st Strategic Missile Wing played a major role in the Cuban Missile Crisis . When the Soviets removed their missiles from Cuba, President John F. Kennedy said the Soviets backed down because they knew he had an "ace in

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