Canyon Landscape, Buffalo Bill Reservoir, Wyoming, United States Of America.(PID:23129962849) Source
posted by DM PHOTOGRAPHY alias [email protected] on Thursday 3rd of December 2015 05:35:18 PM
Buffalo Bill Dam is a concrete arch-gravity dam on the Shoshone River in the U.S. state of Wyoming. It is named after the famous Wild West figure William "Buffalo Bill" Cody, who founded the nearby town of Cody and owned much of the land now covered by the reservoir formed by its construction. The dam is part of the Shoshone Project, successor to several visionary schemes promoted by Cody to irrigate the Bighorn Basin and turn it from a semi-arid sagebrush-covered plain to productive agricultural land. Known at the time of its construction as Shoshone Dam, it was renamed in 1946 to honor Cody. The 325 feet (99 m) high structure was designed by engineer Daniel Webster Cole and built between 1905 and 1910. At the time of its completion it was the tallest dam in the world. It was listed on the National Register of Historic Places in 1971 and named a National Civil Engineering Landmark by the American Society of Civil Engineers in 1973. The land around the reservoir is maintained as Buffalo Bill State Park. The dam is a concrete arch-gravity dam, 70 feet (21 m) wide at the base and 200 feet (61 m) wide at the crest, with an original height of 325 feet (99 m). The concrete structure measures 108 feet (33 m) deep at the base, tapering to 10 feet (3.0 m) at the crest, with a volume of 82,900 cubic yards (63,400 m3) of concrete. It is anchored into Pre-Cambrian granitic rock on either side. The spillway is an uncontrolled overflow weir on the south side, 298 feet (91 m) wide, dropping through a tunnel in the left abutment. With the authorization of the Shoshone Project in 1904, Buffalo Bill Dam became one of the earliest projects of the new Bureau of Reclamation. The ambitious project involved the construction of one of the first high concrete dams in the United States. Work began immediately, with drilling for geologic investigation starting in July 1904 and continuing for ten months. Work proceeded concurrently on the construction of an access road up the narrow canyon from Cody. The chosen contractor, Prendergast & Clarkson of Chicago, started work in September 1905, building a camp for workers and starting on a diversion dam, which was to divert the river into a wooden flume, through a tunnel and out through another flume to rejoin the river bed. Two men were killed in the construction of the tunnel. A June 1906 flood destroyed the flume. The delay caused the Bureau of Reclamation to suspend the contractor's contract and to call upon the contractor's bonding company, the U.S. Fidelity and Guaranty Company, to ensure the completion of the work. Little work was done until March 1907. Another flood in July damaged the diversion dam again. Working conditions were harsh, leading to the first strike in Wyoming's history in November, in which workers demanded and received three dollars a day from USF&G. USF&G delegated responsibility for the work to two new contractors, Locher and Grant Smith and Company, in March 1908. Work progressed more quickly, with the first concrete pours in April. Spring floods set the project back once again, causing concrete work to be suspended. Concrete work started again in March 1909, and despite more spring flooding that suspended work from July to September, work moved quickly. Another threatened strike was broken when Italian laborers were replaced with Bulgarian workers. Final concrete was poured in January 1910, with a final cost of $1.4 million. Seven construction workers were killed on the project. Immediately after completion the dam suffered from leakage through the outlet works, leading to low water elevations that exposed mudflats, which soon produced dense blowing dust. Corrective work to valves took until 1915. Problems with the right abutment's outlet works led to their abandonment in 1959. They were sealed in 1961. The reservoir began to lose capacity immediately as a result of the Shoshone's heavy silt load, and the material deposited at the head of the reservoir continued to blow when the reservoir was drawn down. Work continued on silt dikes and reforestation into the 1950s, but capacity is reduced from the reservoir's nominal capacity of 869,230 acre feet (1.07218 km3) to 623,557 acre feet (0.769146 km3) due to siltation. The new reservoir covered hot springs at the forks of the Shoshone, similar to those found at Colter's Hell at the mouth of the Shoshone Canyon. Work on the Shoshone Power Plant started in 1920. The power plant is located 600 feet (180 m) downstream from the dam on the north side of the canyon. Following delays for spring flooding, work on the power house and supply tunnel was complete in 1922, ready for the installation of electrical equipment. Generating units 1 and 2 came on line in 1922, with Unit 3 in 1931. Installed capacity was 6.012 MW. All three units were shut down in 1980, worn out from fifty years of service. 1 and 2 were decommissioned and left in place, while 3 was replaced with a new 3 MW Francis turbine unit that started operation in 1992. The plant operates with a head of 220 feet (67 m). Shoshone Canyon Tunnel and Heart Mountain Power Plant The proposed Heart Mountain Canal project, intended to irrigate lands to the north of the river, required a new tunnel to direct irrigation waters to a suitable elevation for distribution. Work on the 2.8-mile (4.5 km) Shoshone Canyon Tunnel started in 1937, accompanied by the death of two tunnel workers who were overcome by fumes from explosives and hydrogen sulfide from nearby geothermal activity, and were subsequently struck by construction equipment. A natural cave had to be crossed by a concrete flume of two 70 feet (21 m) spans, constructed under difficult conditions in a high-gas environment. Work on the tunnel by the Utah Construction Company was complete in 1939. The Heart Mountain Powerplant was built at the tunnel's outlet in 1947 as a temporary facility. It was rebuilt concurrently with the dam heightening project and is operated on a seasonal basis. It operates a 5 MW Francis turbine on a 265-foot (81 m) head. Starting in 1985, the crest of the dam was raised 25 feet (7.6 m), increasing the reservoir's capacity by 260,000 acre feet (0.32 km3) when the project was completed in 1993. The spillways were enlarged and equipped with radial arm gates. The project also included a visitor center, located at the north end of the dam's crest. The additional height allowed 25.5 MW of additional generating capacity to be added to the project. The expanded reservoir inundated facilities at Buffalo Bill State Park, requiring their relocation and reconstruction. Buffalo Bill Power Plant The Buffalo Bill Powerplant was built concurrently with the work to increase the dam's height in 1992. The plant, located in Shoshone Canyon downstream from the original Shoshone Powerplant, operates three Francis turbines with generators rated at 6 MW each on a head of 266 feet (81 m). Spirit Mountain Power Plant The Spirit Mountain Powerplant receives pressurized water through a conduit. It primarily functions to dissipate the pressure in the conduit before it enters an open canal, generating power as a byproduct. The unit operates a Francis turbine generating 4.5 MW on a seasonal base load basis, with a 110-foot (34 m) head. It was built in 1994. Wyoming (/waɪˈoʊmɪŋ/ (About this soundlisten)) is a state in the Mountain West subregion of the Western United States. The 10th largest state by area, it is also the least populous and least densely populated state in the contiguous United States.[a] It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to the south. The state population was 576,851 at the 2020 United States census, making it the least populated U.S. state. The state capital and the most populous city is Cheyenne, which had an estimated population of 63,957 in 2018. Wyoming's western half is mostly covered by the ranges and rangelands of the Rocky Mountains, while the eastern half of the state is high-elevation prairie called the High Plains. It is drier and windier than the rest of the country, being split between semi-arid and continental climates with greater temperature extremes. Almost half of the land in Wyoming is owned by the federal government, leading the state to rank 6th by area and fifth by proportion of a state's land owned by the federal government. Federal lands include two national parks—Grand Teton and Yellowstone—two national recreation areas, two national monuments, several national forests, historic sites, fish hatcheries, and wildlife refuges. Original inhabitants of the region include the Arapaho, Crow, Lakota, and Shoshone. Southwest Wyoming was claimed by the Spanish Empire and then as Mexican territory until it was ceded to the U.S. in 1848 at the end of the Mexican–American War. The region acquired the name "Wyoming" when a bill was introduced to Congress in 1865 to provide a temporary government for the territory of Wyoming. The name had been used earlier for the Wyoming Valley in Pennsylvania, and is derived from the Munsee word xwé:wamənk, meaning "at the big river flat". Wyoming's economy is driven by tourism and the extraction of minerals such as coal, natural gas, oil, and trona. Agricultural commodities include barley, hay, livestock, sugar beets, wheat, and wool. It was the first state to allow women the right to vote and become politicians, as well as the first state to elect a female governor. Due to this part of its history, its main nickname is "The Equality State" and its official state motto is "Equal Rights". It has been a politically conservative state since the 1950s, with the Republican presidential nominee carrying the state in every election since 1968. A notable exception is Teton County, which has achieved notability for being Wyoming's most Democratic county and the only county in the state to be won by a Democrat in every election since 2004. Wyoming's climate is generally semi-arid and continental (Köppen climate classification BSk), and is drier and windier in comparison to most of the United States with greater temperature extremes. Much of this is due to the topography of the state. Summers in Wyoming are warm with July high temperatures averaging between 85 and 95 °F (29 and 35 °C) in most of the state. With increasing elevation, however, this average drops rapidly with locations above 9,000 feet (2,700 m) averaging around 70 °F (21 °C). Summer nights throughout the state are characterized by a rapid cooldown with even the hottest locations averaging in the 50–60 °F (10–16 °C) range at night. In most of the state, most of the precipitation tends to fall in the late spring and early summer. Winters are cold, but are variable with periods of sometimes extreme cold interspersed between generally mild periods, with Chinook winds providing unusually warm temperatures in some locations. Wyoming is a dry state with much of the land receiving less than 10 inches (250 mm) of rainfall per year. Precipitation depends on elevation with lower areas in the Big Horn Basin averaging 5–8 inches (130–200 mm), making the area nearly a true desert. The lower areas in the North and on the eastern plains typically average around 10–12 inches (250–300 mm), making the climate there semi-arid. Some mountain areas do receive a good amount of precipitation, 20 inches (510 mm) or more, much of it as snow, sometimes 200 inches (510 cm) or more annually. The state's highest recorded temperature is 114 °F (46 °C) at Basin on July 12, 1900, and the lowest recorded temperature is −66 °F (−54 °C) at Riverside on February 9, 1933. The number of thunderstorm days vary across the state with the southeastern plains of the state having the most days of thunderstorm activity. Thunderstorm activity in the state is highest during the late spring and early summer. The southeastern corner of the state is the most vulnerable part of the state to tornado activity. Moving away from that point and westwards, the incidence of tornadoes drops dramatically with the west part of the state showing little vulnerability. Tornadoes, where they occur, tend to be small and brief, unlike some of those that occur farther east. As specified in the designating legislation for the Territory of Wyoming, Wyoming's borders are lines of latitude 41°N and 45°N, and longitude 104°3'W and 111°3'W (27 and 34 west of the Washington Meridian)—a geodesic quadrangle. Wyoming is one of only three states (the others being Colorado and Utah) to have borders defined by only "straight" lines. Due to surveying inaccuracies during the 19th century, Wyoming's legal border deviates from the true latitude and longitude lines by up to half of a mile (0.8 km) in some spots, especially in the mountainous region along the 45th parallel. Wyoming is bordered on the north by Montana, on the east by South Dakota and Nebraska, on the south by Colorado, on the southwest by Utah, and on the west by Idaho. It is the tenth largest state in the United States in total area, containing 97,814 square miles (253,340 km2) and is made up of 23 counties. From the north border to the south border it is 276 miles (444 km); and from the east to the west border is 365 miles (587 km) at its south end and 342 miles (550 km) at the north end. Natural landforms Mountain ranges Teton Range Green River valley The Great Plains meet the Rocky Mountains in Wyoming. The state is a great plateau broken by many mountain ranges. Surface elevations range from the summit of Gannett Peak in the Wind River Mountain Range, at 13,804 feet (4,207 m), to the Belle Fourche River valley in the state's northeast corner, at 3,125 feet (952 m). In the northwest are the Absaroka, Owl Creek, Gros Ventre, Wind River, and the Teton ranges. In the north central are the Big Horn Mountains; in the northeast, the Black Hills; and in the southern region the Laramie, Snowy, and Sierra Madre ranges. The Snowy Range in the south central part of the state is an extension of the Colorado Rockies both in geology and in appearance. The Wind River Range in the west central part of the state is remote and includes more than 40 mountain peaks in excess of 13,000 ft (4,000 m) tall in addition to Gannett Peak, the highest peak in the state. The Big Horn Mountains in the north central portion are somewhat isolated from the bulk of the Rocky Mountains. The Teton Range in the northwest extends for 50 miles (80 km), part of which is included in Grand Teton National Park. The park includes the Grand Teton, the second highest peak in the state. The Continental Divide spans north–south across the central portion of the state. Rivers east of the divide drain into the Missouri River Basin and eventually the Gulf of Mexico. They are the North Platte, Wind, Big Horn and the Yellowstone rivers. The Snake River in northwest Wyoming eventually drains into the Columbia River and the Pacific Ocean, as does the Green River through the Colorado River Basin. The Continental Divide forks in the south central part of the state in an area known as the Great Divide Basin where water that precipitates onto or flows into it cannot reach an ocean—it all sinks into the soil and eventually evaporates. Several rivers begin in or flow through the state, including the Yellowstone River, Bighorn River, Green River, and the Snake River. Basins Much of Wyoming is covered with large basins containing different eco-regions, from shrublands to smaller patches of desert. Regions of the state classified as basins contain everything from large geologic formations to sand dunes and vast unpopulated spaces. Basin landscapes are typically at lower elevations and include rolling hills, valleys, mesas, terraces and other rugged terrain, but also include natural springs as well as rivers and artificial reservoirs. They have common plant species such as various subspecies of sagebrush, juniper and grasses such as wheatgrass, but basins are known for their diversity of plant and animal species. Islands For a more comprehensive list, see List of islands of Wyoming. Wyoming has 32 named islands; the majority are in Jackson Lake and Yellowstone Lake, within Yellowstone National Park in the northwest portion of the state. The Green River in the southwest also contains a number of islands. History Main article: History of Wyoming The first Fort Laramie as it looked before 1840 (painting from memory by Alfred Jacob Miller) Several Native American groups originally inhabited the region now known as Wyoming. The Crow, Arapaho, Lakota, and Shoshone were but a few of the original inhabitants white explorers encountered when they first visited the region. What is now southwestern Wyoming became a part of the Spanish Empire, and later Mexican territory, of Alta California, until it was ceded to the United States in 1848 at the end of the Mexican–American War. French-Canadian trappers from Québec and Montréal ventured into the area in the late 18th century, leaving French toponyms such as Téton and La Ramie. John Colter, a member of the Lewis and Clark Expedition, itself guided by French Canadian Toussaint Charbonneau and his young Shoshone wife, Sacagawea, first described the region in 1807. At the time, his reports of the Yellowstone area were considered to be fictional. Robert Stuart and a party of five men, returning from Astoria, discovered South Pass in 1812. The Oregon Trail later followed that route. In 1850, Jim Bridger located what is now known as Bridger Pass, which the Union Pacific Railroad used in 1868, as did Interstate 80, 90 years later. Bridger also explored Yellowstone and filed reports on the region that, like those of Colter, were largely regarded at the time as tall tales. The region acquired the name Wyoming by 1865, when Representative James Mitchell Ashley of Ohio introduced a bill to Congress to provide a "temporary government for the territory of Wyoming". The territory was named after the Wyoming Valley in Pennsylvania, made famous by the 1809 poem Gertrude of Wyoming by Thomas Campbell, based on the Battle of Wyoming in the American Revolutionary War. The name ultimately derives from the Munsee word xwé:wamənk, meaning 'at the big river flat'. A backcountry road in the Sierra Madre Range of southeastern Wyoming, near Bridger Peak The region's population grew steadily after the Union Pacific Railroad reached the town of Cheyenne in 1867, and the federal government established the Wyoming Territory on July 25, 1868. Wyoming lacked significant deposits of gold and silver, unlike mineral-rich Colorado, and did not experience Colorado's related population boom. However, South Pass City did have a short-lived boom after the Carissa Mine began producing gold in 1867. Furthermore, copper was mined in some areas between the Sierra Madre Mountains and the Snowy Range near Grand Encampment. Once government-sponsored expeditions to the Yellowstone country began, reports by Colter and Bridger, previously believed to be apocryphal, were found to be true. That led to the creation of Yellowstone National Park, which became the world's first national park in 1872. Nearly all of Yellowstone National Park lies within the far northwestern borders of Wyoming. On December 10, 1869, territorial Governor John Allen Campbell extended the right to vote to women, making Wyoming the first territory and, later, United States state, to grant suffrage to women. Wyoming was also a pioneer in welcoming women into politics. Women first served on juries in Wyoming (Laramie in 1870). Wyoming had the first female court bailiff (Mary Atkinson, Laramie, in 1870), and the first female justice of the peace in the country (Esther Hobart Morris, South Pass City, in 1870). As well, in 1924, Wyoming became the first state to elect a female governor, Nellie Tayloe Ross, who took office in January 1925. Due to its civil-rights history, one of Wyoming's state nicknames is "The Equality State", and the official state motto is "Equal Rights". Wyoming's constitution included women's suffrage and a pioneering article on water rights. Congress admitted Wyoming into the Union as the 44th state on July 10, 1890. Wyoming was the location of the Johnson County War of 1892, which erupted between competing groups of cattle ranchers. The passage of the federal Homestead Act led to an influx of small ranchers. A range war broke out when either or both of the groups chose violent conflict over commercial competition in the use of the public land. Economy and infrastructure Further information: Wyoming locations by per capita income and List of power stations in Wyoming Wind farm in Uinta County According to the 2012 United States Bureau of Economic Analysis report, Wyoming's gross state product was $38.4 billion. As of 2014 the population was growing slightly with the most growth in tourist-oriented areas such as Teton County. Boom conditions in neighboring states such as North Dakota were drawing energy workers away. About half of Wyoming's counties showed population losses. The state makes active efforts through Wyoming Grown, an internet-based recruitment program, to find jobs for young people educated in Wyoming who have emigrated but may wish to return. The mineral extraction industry and travel and tourism sector are the main drivers behind Wyoming's economy. The federal government owns about 50% of its landmass, while 6% is controlled by the state. Total taxable values of mining production in Wyoming for 2001 was over $6.7 billion. The tourism industry accounts for over $2 billion in revenue for the state. In 2002, more than six million people visited Wyoming's national parks and monuments. The key tourist attractions in Wyoming include Grand Teton National Park, Yellowstone National Park, Devils Tower National Monument, Independence Rock and Fossil Butte National Monument. Each year Yellowstone National Park, the world's first national park, receives three million visitors. Historically, agriculture has been an important component of Wyoming's economy. Its overall importance to the performance of Wyoming's economy has waned. However, agriculture is still an essential part of Wyoming's culture and lifestyle. The main agricultural commodities produced in Wyoming include livestock (beef), hay, sugar beets, grain (wheat and barley), and wool. More than 91% of land in Wyoming is classified as rural. Wyoming is the home of only a handful of companies with a regional or national presence. Taco John's and Sierra Trading Post, both in Cheyenne, are privately held. Cloud Peak Energy in Gillette and U.S. Energy Corp. (NASDAQ: USEG) in Riverton are Wyoming's only publicly traded companies. Mineral and energy production North Antelope Rochelle Mine, the largest estimated coal mine reserve in the world, as of 2013 A natural gas rig west of the Wind River Range Wyoming's mineral commodities include coal, natural gas, coalbed methane, crude oil, uranium, and trona. Coal: Wyoming produced 277 million short tons (251.29 million metric tons) of coal in 2019 which was a 9 percent drop from the year before. Wyoming's coal production peaked in 2008 when 514 million short tons (466.3 million metric tons) was produced. Wyoming possesses a reserve of 68.7 billion tons (62.3 billion metric tons) of coal. Major coal areas include the Powder River Basin and the Green River Basin. Coalbed methane (CBM): The boom for CBM began in the mid-1990s. CBM is characterized as methane gas that is extracted from Wyoming's coal bed seams. It is another means of natural gas production. There has been substantial CBM production in the Powder River Basin. In 2002, the CBM production yield was 327.5 billion cubic feet (9.3 km3). Crude oil: Wyoming produced 53.4 million barrels (8.49×106 m3) of crude oil in 2007. The state ranked fifth nationwide in oil production in 2007. Petroleum is most often used as a motor fuel, but it is also utilized in the manufacture of plastics, paints, and synthetic rubber. Diamonds: The Kelsey Lake Diamond Mine, located in Colorado less than 1,000 feet (300 m) from the Wyoming border, produced gem quality diamonds for several years. The Wyoming craton, which hosts the kimberlite volcanic pipes that were mined, underlies most of Wyoming. Natural gas: Wyoming produced 1.77 trillion cubic feet (50.0 billion m3) of natural gas in 2016. The state ranked 6th nationwide for natural gas production in 2016. The major markets for natural gas include industrial, commercial, and domestic heating. Trona: Wyoming possesses the world's largest known reserve of trona, a mineral used for manufacturing glass, paper, soaps, baking soda, water softeners, and pharmaceuticals. In 2008, Wyoming produced 46 million short tons (41.7 million metric tons) of trona, 25% of the world's production. Wind power: Because of Wyoming's geography and high-altitude, the potential for wind power in Wyoming is one of the highest of any state in the US. The Chokecherry and Sierra Madre Wind Energy Project is the largest commercial wind generation facility under development in North America. Carbon County is home to the largest proposed wind farm in the US. However, construction plans have been halted because of proposed new taxes on wind power energy production. Uranium: Although uranium mining in Wyoming is much less active than it was in previous decades, recent increases in the price of uranium have generated new interest in uranium prospecting and mining. Taxes Unlike most other states, Wyoming does not levy an individual or corporate income tax. In addition, Wyoming does not assess any tax on retirement income earned and received from another state. Wyoming has a state sales tax of 4%. Counties have the option of collecting an additional 1% tax for general revenue and a 1% tax for specific purposes, if approved by voters. Food for human consumption is not subject to sales tax. There also is a county lodging tax that varies from 2% to 5%. The state collects a use tax of 5% on items purchased elsewhere and brought into Wyoming. All property tax is based on the assessed value of the property and Wyoming's Department of Revenue's Ad Valorem Tax Division supports, trains, and guides local government agencies in the uniform assessment, valuation and taxation of locally assessed property. "Assessed value" means taxable value; "taxable value" means a percent of the fair market value of property in a particular class. Statutes limit property tax increases. For county revenue, the property tax rate cannot exceed 12 mills (or 1.2%) of assessed value. For cities and towns, the rate is limited to eight mills (0.8%). With very few exceptions, state law limits the property tax rate for all governmental purposes. Personal property held for personal use is tax-exempt. Inventory if held for resale, pollution control equipment, cash, accounts receivable, stocks and bonds are also exempt. Other exemptions include property used for religious, educational, charitable, fraternal, benevolent and government purposes and improvements for handicapped access. Mine lands, underground mining equipment, and oil and gas extraction equipment are exempt from property tax but companies must pay a gross products tax on minerals and a severance tax on mineral production. Wyoming does not collect inheritance taxes. There is limited estate tax related to federal estate tax collection. In 2008, the Tax Foundation ranked Wyoming as having the single most "business friendly" tax climate of all 50 states. Wyoming state and local governments in fiscal year 2007 collected $2.242 billion in taxes, levies, and royalties from the oil and gas industry. The state's mineral industry, including oil, gas, trona, and coal provided $1.3 billion in property taxes from 2006 mineral production. As of 2017, Wyoming receives more federal tax dollars as a percentage of state general revenue than any state except neighboring Montana. As of 2016, Wyoming does not require the beneficial owners of LLCs to be disclosed in the filing, which creates an opportunity for a tax haven, according to Clark Stith of Clark Stith & Associates in Rock Springs, Wyoming, a former Republican candidate for Wyoming secretary of state. Transportation Further information: List of Wyoming railroads, List of airports in Wyoming, and State highways in Wyoming Major highways of Wyoming The largest airport in Wyoming is Jackson Hole Airport, with more than 500 employees. Three interstate highways and thirteen United States highways pass through Wyoming. In addition, the state is served by the Wyoming state highway system. Interstate 25 enters the state south of Cheyenne and runs north, intersecting Interstate 80 immediately west of Cheyenne. It passes through Casper and ends at Interstate 90 near Buffalo. Interstate 80 crosses the Utah border west of Evanston and runs east through the southern third of the state, passing through Cheyenne before entering Nebraska near Pine Bluffs. Interstate 90 comes into Wyoming near Parkman and cuts through the northeastern part of the state. It serves Gillette and enters South Dakota east of Sundance. U.S. Routes 14, 16, and the eastern section of U.S. 20 all have their western terminus at the eastern entrance to Yellowstone National Park and pass through Cody. U.S. 14 travels eastward before joining I-90 at Gillette. U.S. 14 then follows I-90 to the South Dakota border. U.S. 16 and 20 split off of U.S. 14 at Greybull and U.S. 16 turns east at Worland while U.S. 20 continues south Shoshoni. U.S. Route 287 carries traffic from Fort Collins, Colorado into Laramie, Wyoming through a pass between the Laramie Mountains and the Medicine Bow Mountains, merges with US 30 and I-80 until it reaches Rawlins, where it continues north, passing Lander. Outside of Moran, U.S. 287 is part of a large interchange with U.S. Highways 26, 191, and 89, before continuing north to the southern entrance of Yellowstone. U.S. 287 continues north of Yellowstone, but the two sections are separated by the national park. Other U.S. highways that pass through the state are 18, 26, 30, 85, 87, 89, 189, 191, 212, and 287. Wyoming is one of only two states (South Dakota) in the 48 contiguous states not served by Amtrak. It was once served by Amtrak's San Francisco Zephyr and Pioneer lines. Major interstates I-25 (300.5 mi): connects Denver, Cheyenne, Casper and Buffalo. Most of the highway is connected with US 87. Major junctions include Interstate 80, US 30, US 85, US 26, US Routes 18 & 20 and US 16 before its northern terminus at Interstate 90 in Buffalo. I-80 (402.8 mi): connects Evanston, Rock Springs, Rawlins, Laramie and Cheyenne. Major junctions include US 191, US 287, I-25, and US 85 & I-180. I-90 (208.8 mi): connects Sheridan, Buffalo and Gillette. Primarily in northeastern Wyoming. Major junctions include US 14, I-25 and US 16. Regions and administrative divisions Counties An enlargeable map of the 23 counties of Wyoming For a more comprehensive list, see List of counties in Wyoming. The state of Wyoming has 23 counties. The 23 counties of the state of Wyoming Rank County Population Rank County Population 1 Laramie 98,327 13 Converse 13,809 2 Natrona 79,547 14 Goshen 13,378 3 Campbell 46,242 15 Big Horn 11,906 4 Sweetwater 43,534 16 Sublette 9,799 5 Fremont 39,803 17 Platte 8,562 6 Albany 38,332 18 Johnson 8,476 7 Sheridan 30,210 19 Washakie 8,064 8 Park 29,568 20 Crook 7,410 9 Teton 23,265 21 Weston 6,927 10 Uinta 20,495 22 Hot Springs 4,696 11 Lincoln 19,265 23 Niobrara 2,397 12 Carbon 15,303 Wyoming Total 579,315 Since 2016, Wyoming license plates feature Squaretop Mountain in the background Wyoming license plates have a number on the left that indicates the county where the vehicle is registered, ranked by an earlier census. Specifically, the numbers are representative of the property values of the counties in 1930. The county license plate numbers are: License Plate Prefix County License Plate Prefix County License Plate Prefix County 1 Natrona 9 Big Horn 17 Campbell 2 Laramie 10 Fremont 18 Crook 3 Sheridan 11 Park 19 Uinta 4 Sweetwater 12 Lincoln 20 Washakie 5 Albany 13 Converse 21 Weston 6 Carbon 14 Niobrara 22 Teton 7 Goshen 15 Hot Springs 23 Sublette 8 Platte 16 Johnson Cities and towns Cheyenne, Wyoming Casper, Wyoming Rock Springs, Wyoming Evanston, Wyoming Rawlins, Wyoming Wyoming is home to 12 ski resorts, including Grand Targhee and Jackson Hole. The State of Wyoming has 99 incorporated municipalities. Most Populous Wyoming Cities and Towns Rank City County Population 1 Cheyenne Laramie 63,957 2 Casper Natrona 57,461 3 Laramie Albany 32,473 4 Gillette Campbell 31,903 5 Rock Springs Sweetwater 23,082 6 Sheridan Sheridan 17,849 7 Green River Sweetwater 11,978 8 Evanston Uinta 11,704 9 Riverton Fremont 10,996 10 Jackson Teton 10,429 11 Cody Park 9,828 12 Rawlins Carbon 8,658 13 Lander Fremont 7,503 14 Torrington Goshen 6,701 15 Powell Park 6,310 16 Douglas Converse 6,273 In 2005, 50.6% of Wyomingites lived in one of the 13 most populous Wyoming municipalities. Metropolitan areas The United States Census Bureau has defined two Metropolitan Statistical Areas (MSA) and seven Micropolitan Statistical Areas (MiSA) for the State of Wyoming. In 2008, 30.4% of Wyomingites lived in either of the Metropolitan Statistical Areas, and 73% lived in either a Metropolitan Statistical Area or a Micropolitan Statistical Area. Metropolitan and Micropolitan Statistical Areas Census Area County Population Cheyenne Laramie 98,976 Casper Natrona 79,115 Gillette Campbell 46,140 Rock Springs Sweetwater 43,051 Riverton Fremont 39,531 Laramie Albany 38,601 Jackson Teton County, Wyoming 23,081 Teton County, Idaho 11,640 Total 34,721 Sheridan Sheridan 30,233 Evanston Uinta 20,299 Wind River Indian Reservation Main article: Wind River Indian Reservation Wind River Canyon The Wind River Indian Reservation is shared by the Eastern Shoshone and Northern Arapaho tribes of Native Americans in the central western portion of the state near Lander. The reservation is home to 2,500 Eastern Shoshone and 5,000 Northern Arapaho. Chief Washakie established the reservation in 1868 as the result of negotiations with the federal government in the Fort Bridger Treaty. However, the Northern Arapaho were forced onto the Shoshone reservation in 1876 by the federal government after the government failed to provide a promised separate reservation. Today the Wind River Indian Reservation is jointly owned, with each tribe having a 50% interest in the land, water, and other natural resources. The reservation is a sovereign, self-governed land with two independent governing bodies: the Eastern Shoshone Tribe and the Northern Arapaho Tribe. Until 2014, the Shoshone Business Council and Northern Arapaho Business Council met jointly as the Joint Business Council to decide matters that affect both tribes. Six elected council members from each tribe served on the joint council. Public lands Wyoming terrain map Nearly half the land in Wyoming (about 30,099,430 acres (121,808.1 km2)) is owned by the federal government; the state owns another 3,864,800 acres (15,640 km2). Most of it is administered by the Bureau of Land Management and U.S. Forest Service in numerous national forests and a national grassland, not to mention vast swaths of "public" land and an air force base near Cheyenne. National Park Service sites map There are also areas managed by the National Park Service and agencies such as the U.S. Fish and Wildlife Service. National parks Grand Teton National Park Yellowstone National Park—first designated national park in the world Memorial parkway The John D. Rockefeller Jr. Memorial Parkway connects Yellowstone and Grand Teton. National recreation areas Bighorn Canyon National Recreation Area Flaming Gorge National Recreation Area (managed by the Forest Service as part of Ashley National Forest) National monuments Devils Tower National Monument—first national monument in the U.S. Fossil Butte National Monument National historic trails, landmarks and sites California National Historic Trail Fort Laramie National Historic Site Independence Rock National Historic Landmark Medicine Wheel/Medicine Mountain National Historic Landmark Mormon Pioneer National Historic Trail National Register of Historic Places listings in Wyoming Oregon National Historic Trail Pony Express National Historic Trail National fish hatcheries Jackson National Fish Hatchery Saratoga National Fish Hatchery National wildlife refuges National Elk Refuge Seedskadee National Wildlife Refuge Yellowstone National Park Devils Tower National Monument Thunder Basin National Grassland Seedskadee National Wildlife Refuge Panoramic view of the Teton Range looking west from Jackson Hole, Grand Teton National Park Demographics Historical population Census Pop. %± 1870 9,118 — 1880 20,789 128.0% 1890 62,555 200.9% 1900 92,531 47.9% 1910 145,965 57.7% 1920 194,402 33.2% 1930 225,565 16.0% 1940 250,742 11.2% 1950 290,529 15.9% 1960 330,066 13.6% 1970 332,416 0.7% 1980 469,557 41.3% 1990 453,588 −3.4% 2000 493,782 8.9% 2010 563,626 14.1% 2020 576,851 2.3% Sources: 1910–2020 Population The largest population centers are Cheyenne (southeast) and Casper. The United States Census Bureau estimates the population of Wyoming was 578,759 in 2019, The center of population of Wyoming is in Natrona County. In 2014, the United States Census Bureau estimated the population's racial composition was 92.7% white (82.9% non-Hispanic white), 2.7% American Indian and Alaska Native, 1.6% Black or African American, 1.0% Asian American, and 0.1% Native Hawaiian or Pacific Islander. As of 2011, 24.9% of Wyoming's population younger than age 1 were minorities. According to the 2010 census, the racial composition of the population was 90.7% white, 0.8% black or African American, 2.4% American Indian and Alaska Native, 0.8% Asian American, 0.1% Native Hawaiian and other Pacific Islander, 2.2% from two or more races, and 3.0% from some other race. Ethnically, 8.9% of the total population was of Hispanic or Latino origin (they may be of any race) and 91.1% Non-Hispanic, with non-Hispanic whites constituting the largest non-Hispanic group at 85.9%. As of 2015, Wyoming had an estimated population of 586,107, which was an increase of 1,954, or 0.29%, from the prior year and an increase of 22,481, or 3.99%, since the 2010 census. This includes a natural increase since the last census of 12,165 (33,704 births minus 21,539 deaths) and an increase from net migration of 4,035 into the state. Immigration resulted in a net increase of 2,264 and migration within the country produced a net increase of 1,771. In 2004, the foreign-born population was 11,000 (2.2%). In 2005, total births in Wyoming were 7,231 (birth rate of 14.04 per thousand). Sparsely populated, Wyoming is the least populous state of the United States. Wyoming has the second-lowest population density in the country (behind Alaska) and is the sparsest-populated of the 48 contiguous states. It is one of only two states (Vermont) with a population smaller than that of the nation's capital. According to the 2000 census, the largest ancestry groups in Wyoming are: German (26.0%), English (16.0%), Irish (13.3%), Norwegian (4.3%), and Swedish (3.5%).[failed verification] Birth data Note: Births in table don't add up, because Hispanics are counted both by their ethnicity and by their race, giving a higher overall number. Live Births by Single Race/Ethnicity of Mother Race 2013 2014 2015 2016 2017 2018 2019 White: 7,090 (92.7%) 7,178 (93.2%) 7,217 (92.9%) ... ... ... ... Non-Hispanic White 6,136 (80.3%) 6,258 (81.3%) 6,196 (79.8%) 5,763 (78.0%) 5,426 (78.6%) 5,078 (77.4%) 5,158 (78.6%) American Indian 305 (4.0%) 294 (3.8%) 294 (3.8%) 200 (2.7%) 206 (3.0%) 219 (3.3%) 198 (3.0%) Asian 124 (1.6%) 108 (1.4%) 135 (1.7%) 100 (1.3%) 79 (1.1%) 72 (1.1%) 73 (1.1%) Black 125 (1.6%) 116 (1.5%) 119 (1.5%) 63 (0.9%) 45 (0.7%) 57 (0.9%) 61 (0.9%) Hispanic (of any race) 926 (12.1%) 895 (11.6%) 963 (12.4%) 973 (13.2%) 892 (12.9%) 851 (13.0%) 839 (12.8%) Total Wyoming 7,644 (100%) 7,696 (100%) 7,765 (100%) 7,386 (100%) 6,903 (100%) 6,562 (100%) 6,565 (100%) Since 2016, data for births of White Hispanic origin are not collected, but included in one Hispanic group; persons of Hispanic origin may be of any race. Government and politics Further information: Elections in Wyoming Wyoming State Capitol building, Cheyenne State government Wyoming's Constitution established three branches of government: the executive, legislative, and judicial branches. The state legislature comprises a House of Representatives with 60 members and a Senate with 30 members. The executive branch is headed by the governor and includes a secretary of state, auditor, treasurer and superintendent of public instruction. Wyoming does not have a lieutenant governor. The secretary of state is first in the line of succession. Wyoming's sparse population warrants it only one at-large seat in the U.S. House of Representatives, and hence only three votes in the Electoral College. The Wyoming State Liquor Association is the state's sole legal wholesale distributor of spirits, making it an alcoholic beverage control state. With the exception of wine, state law prohibits the purchase of alcoholic beverages for resale from any other source. Judicial system Wyoming's highest court is the Supreme Court of Wyoming, with five justices presiding over appeals from the state's lower courts. Wyoming is unusual in that it does not have an intermediate appellate court, like most states. This is largely attributable to the state's population and correspondingly lower caseload. Appeals from the state district courts go directly to the Wyoming Supreme Court. Wyoming also has state circuit courts (formerly county courts), of limited jurisdiction, which handle certain types of cases, such as civil claims with lower dollar amounts, misdemeanor criminal offenses, and felony arraignments. Circuit court judges also commonly hear small claims cases as well. Before 1972, Wyoming judges were selected by popular vote on a nonpartisan ballot. This earlier system was criticized by the state bar who called for the adoption of the Missouri Plan, a system designed to balance judiciary independence with judiciary accountability. In 1972, an amendment to Article 5 of the Wyoming Constitution, which incorporated a modified version of the plan, was adopted by the voters. Since the adoption of the amendment, all state court judges in Wyoming are nominated by the Judicial Nominating Commission and appointed by the Governor. They are then subject to a retention vote by the electorate one year after appointment. Political history Further information: Political party strength in Wyoming Party Registered Voters Percent Wyoming party registration by county.svg Party registration by county (December 2018): Republican >= 40% Republican >= 50% Republican >= 60% Republican >= 70% Republican >= 80% Republican 195,919 69.88% Democratic 45,938 16.39% No party affiliation 35,125 12.53% Libertarian Party 2,597 0.93% Constitution Party 729 0.26% Other 37 0.01% Total Voters 280,345 100.00% Wyoming's political history defies easy classification. The state was the first to grant women the right to vote and to elect a woman governor. On December 10, 1869, John Allen Campbell, the first Governor of the Wyoming Territory, approved the first law in United States history explicitly granting women the right to vote. This day was later commemorated as Wyoming Day. On November 5, 1889, voters approved the first constitution in the world granting full voting rights to women. While the state elected notable Democrats to federal office in the 1960s and 1970s, politics have become decidedly more conservative since the 1980s as the Republican Party came to dominate the state's congressional delegation. Today, Wyoming is represented in Washington by its two Senators, John Barrasso and Cynthia Lummis, and its one member of the House of Representatives, Congresswoman Liz Cheney. All three are Republicans; a Democrat has not represented Wyoming in the Senate since 1977 or in the House since 1978. The state has not voted for a Democrat for president since 1964, one of only eight times since statehood. At present, there is only one relatively reliably Democratic county, affluent Teton, and one swing county, college county Albany. In the 2004 presidential election, George W. Bush won his second-largest victory, with 69% of the vote. Former Vice President Dick Cheney is a Wyoming resident and represented the state in Congress from 1979 to 1989. Republicans are no less dominant at the state level. They have held a majority in the state senate continuously since 1936 and in the state house since 1964. However, Democrats held the governorship for all but eight years between 1975 and 2011. Uniquely, Wyoming elected Democrat Nellie Tayloe Ross as the first woman in United States history to serve as state governor. She served from 1925 to 1927, winning a special election after her husband, William Bradford Ross, unexpectedly died a little more than a year into his term. Voter registration by county Republicans have a majority of registered votes in all but two counties: Albany and Teton, where they have a plurality of registered voters. Republican Democratic NPA Libertarian Constitution Others Margin Total County Voters % Voters % Voters % Voters % Voters % Voters % Voters % Voters Albany 7,862 45.38% 5,541 31.98% 3,585 20.69% 298 1.72% 39 0.23% 1 0.00% 2,321 13.40% 17,326 Big Horn 4,597 82.84% 451 8.13% 432 7.79% 29 0.52% 40 0.72% 0 0.00% 4,146 74.71% 5,549 Campbell 15,458 82.90% 1,073 5.75% 1,851 9.93% 186 1.00% 51 0.27% 27 0.14% 14,385 77.15% 18,646 Carbon 4,118 62.36% 1,336 20.23% 1,064 16.11% 72 1.09% 13 0.20% 1 0.02% 2,782 42.13% 6,604 Converse 5,499 81.45% 565 8.37% 630 9.33% 30 0.44% 24 0.36% 3 0.04% 4,934 73.08% 6,751 Crook 3,394 86.38% 227 5.78% 270 6.87% 18 0.46% 20 0.51% 0 0.00% 3,167 80.60% 3,929 Fremont 11,546 66.16% 3,516 20.15% 2,187 12.53% 148 0.85% 51 0.29% 3 0.02% 8,030 46.01% 17,451 Goshen 4,472 74.45% 867 14.43% 614 10.22% 36 0.60% 18 0.30% 0 0.00% 3,605 60.02% 6,007 Hot Springs 2,095 78.41% 311 11.64% 244 9.13% 14 0.52% 8 0.30% 0 0.00% 1,784 66.77% 2,672 Johnson 3,857 84.07% 319 6.95% 376 8.20% 23 0.50% 13 0.28% 0 0.00% 3,538 77.12% 4,588 Laramie 25,325 60.35% 9,728 23.18% 6,421 15.30% 347 0.83% 99 0.24% 45 0.11% 15,597 37.17% 41,965 Lincoln 6,957 76.01% 874 9.55% 1,217 13.30% 75 0.82% 27 0.29% 3 0.03% 6,083 66.46% 9,153 Natrona 22,800 67.23% 5,630 16.60% 4,973 14.66% 363 1.07% 145 0.43% 0 0.00% 17,170 50.63% 33,911 Niobrara 1,199 88.81% 73 5.41% 71 5.26% 4 0.30% 3 0.22% 0 0.00% 1,126 83.40% 1,350 Park 12,133 77.82% 1,495 9.59% 1,808 11.60% 109 0.70% 46 0.03% 1 0.01% 10,638 68.23% 15,592 Platte 3,384 72.62% 707 15.17% 492 10.56% 45 0.97% 32 0.69% 0 0.00% 2,677 57.45% 4,660 Sheridan 10,593 70.76% 2,300 15.36% 1,891 12.63% 125 0.83% 27 0.18% 35 0.23% 8,293 55.40% 14,971 Sublette 3,717 82.25% 393 8.70% 381 8.43% 24 0.53% 6 0.13% 1 0.02% 3,324 73.55% 4,519 Sweetwater 9,804 56.22% 4,894 28.06% 2,485 14.25% 198 1.14% 56 0.32% 2 0.01% 4,910 28.16% 17,439 Teton 5,102 38.90% 4,841 36.91% 3,048 23.24% 111 0.85% 11 0.08% 4 0.03% 261 1.99% 13,117 Uinta 6,273 71.94% 1,264 14.50% 1,050 12.04% 83 0.95% 40 0.46% 10 0.11% 5,009 57.44% 8,720 Washakie 3,158 79.47% 435 10.95% 342 8.61% 27 0.68% 12 0.30% 0 0.00% 2,723 68.52% 3,974 Weston 3,015 83.06% 268 7.38% 313 8.62% 21 0.58% 12 0.33% 1 0.03% 2,837 75.68% 3,630 State Total 176,355 67.18% 47,108 17.94% 35,745 13.62% 2,386 0.91% 793 0.30% 137 0.05% 129,247 49.24% 262,524 Culture Languages In 2010, 93.39% (474,343) of Wyomingites over the age of 5 spoke English as their primary language. 4.47% (22,722) spoke Spanish, 0.35% (1,771) spoke German, and 0.28% (1,434) spoke French. Other common non-English languages included Algonquian (0.18%), Russian (0.10%), Tagalog, and Greek (both 0.09%). In 2007, the American Community Survey reported 6.2% (30,419) of Wyoming's population over five spoke a language other than English at home. Of those, 68.1% were able to speak English very well, 16.0% spoke English well, 10.9% did not speak English well, and 5.0% did not speak English at all. Religion in Wyoming (2014) Religion Percent Protestant 43% Unaffiliated 26% Catholic 14% Mormon 9% Jehovah's Witness 3% Other Christian 1% Buddhist 1% Other 3% Religion According to a 2013 Gallup Poll, the religious affiliations of the people of Wyoming were: 49% Protestant, 23% Nonreligious or Other, 18% Catholic, 9% Latter-day Saint (Mormons) and less than 1% Jewish. A 2010 ARDA report recognized as the largest denominations in Wyoming the Church of Jesus Christ of Latter-day Saints (Mormons) with 62,804 (11%), the Catholic Church with 61,222 (10.8%) and the Southern Baptist Convention with 15,812 adherents (2.8%). The same report counted 59,247 Evangelical Protestants (10.5%), 36,539 Mainline Protestants (6.5%), 785 Eastern Orthodox Christians; 281 Black Protestants, as well as 65,000 adhering to other traditions and 340,552 not claiming any religious tradition. Sports Due to its sparse population, Wyoming lacks any major professional sports teams. However, the Wyoming Cowboys and Cowgirls—particularly the football and basketball teams—are quite popular. Their stadiums in Laramie are about 7,200 feet (2,200 m) above sea level, the highest in NCAA Division I. The Wyoming High School Activities Association also sponsors twelve sports. Casper has hosted the College National Finals Rodeo since 2001. State symbols For a more comprehensive list, see List of Wyoming state symbols. State flower of Wyoming: Indian paintbrush List of all Wyoming state symbols: State bird: western meadowlark (Sturnella neglecta) State coin: Sacagawea dollar State dinosaur: Triceratops State emblem: Bucking Horse and Rider State fish: cutthroat trout (Oncorhynchus clarki) State flag: Flag of the State of Wyoming State flower: Wyoming Indian paintbrush (Castilleja linariifolia) State fossil: Knightia State gemstone: Wyoming nephrite jade State grass: western wheatgrass (Pascopyrum smithii) State insect: Sheridan's green hairstreak butterfly (Callophrys sheridanii) State mammal: American bison (Bison bison) State motto: Equal Rights State nicknames: Equality State; Cowboy State; Big Wyoming State reptile: horned lizard (Phrynosoma douglassi brevirostre) State seal: Great Seal of the State of Wyoming State song: "Wyoming" by Charles E. Winter & George E. Knapp State sport: rodeo State tree: plains cottonwood (Populus sargentii) Education For a more comprehensive list, see List of high schools in Wyoming. The Rocky Mountain Herbarium at the University of Wyoming Public education is directed by the state superintendent of public instruction, an elected state official. Educational policies are set by the State Board of Education, a nine-member board appointed by the governor. The constitution prohibits the state from establishing curriculum and textbook selections; these are the prerogatives of local school boards. The Wyoming School for the Deaf was the only in-state school dedicated to supporting deaf students in Wyoming before its closure in the summer of 2000. Higher education For a more comprehensive list, see List of colleges and universities in Wyoming. Wyoming has one public four-year institution, the University of Wyoming in Laramie and one private four-year college, Wyoming Catholic College, in Lander, Wyoming. There are also seven two-year community colleges in the state. Before the passing of a new law in 2006, Wyoming had hosted unaccredited institutions, many of them suspected diploma mills. The 2006 law requires unaccredited institutions to make one of three choices: move out of Wyoming, close down, or apply for accreditation. The Oregon State Office of Degree Authorization predicted in 2007 that in a few years the problem of diploma mills in Wyoming might be resolved. Media Main articles: List of television stations in Wyoming, List of newspapers in Wyoming, and List of radio_stations in Wyoming Wyoming's media market consists of 16 broadcast TV stations, radio stations and dozens of small to medium-sized newspapers. There are also a few small independent news sources such as Wyofile.com, a non-profit news site and Oil City News.
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