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Uranium mining in Wyoming was formerly a much larger industry than it is today. Wyoming once had many operating uranium mines, and still has the largest known uranium ore reserves of any state in the U.S. At the end of 2008, the state had estimated reserves dependent on price: 539 million pounds of uranium oxide at $50 per pound, and 1,227 ...
Black Thunder Coal Mine. The Black Thunder Coal Mine is a surface coal mine in the U.S. state of Wyoming, located in the Powder River Basin which contains one of the largest deposits of coal in the world. In 2022, the mine produced 62,180,000 short tons (56,410,000 t) of coal, [1] over 25% of Wyoming's total coal production.
The North Antelope Rochelle Mine is the largest coal mine in the world. [1][2] Located in Campbell County, Wyoming, about 65 miles (105 km) south of Gillette, it produced 85.3 million tons of coal in 2019. [3][4] Peabody Energy opened the North Antelope Mine in the heart of Wyoming's Powder River Basin in 1983. [5]
Contents. Powder River Basin. The Powder River Basin is a geologic structural basin in southeast Montana and northeast Wyoming, about 120 miles (190 km) east to west and 200 miles (320 km) north to south, known for its extensive coal reserves. The former hunting grounds of the Oglala Lakota, the area is very sparsely populated and is known for ...
Abandoned housing in Jeffrey City, Wyoming in 2011 Moab uranium mill tailings pile in 2010 Partially refined Yellowcake uranium oxide. A yellowcake boomtown also known as a uranium boomtown, is a town or community that rapidly increases in population and economics due to the discovery of uranium ore-bearing minerals, and the development of uranium mining, milling or enrichment activities.
The Wyoming uranium mining industry was hard-hit in the 1980s by the drop in the price of uranium. The uranium-mining boom town of Jeffrey City lost 95% of its population in three years. By 2020, the only active uranium mine in Wyoming was the Smith Ranch-Highland in-situ leaching operation in the Powder River Basin, owned by Cameco. [107]
Willow Creek mine. / 43.804944°N 106.038750°W / 43.804944; -106.038750. The Willow Creek mine is an in-situ leach (ISL) uranium mining project located in Powder River Basin in the state of Wyoming, United States. It comprises the Irigaray central processing plant and wellfields, and the Christensen Ranch ion exchange plant and wellfields.
By 1928 the mine employed 547. [3] Initially, the mining methods used at Sunrise were strip mining followed by glory-hole mining. In 1930, underground block caving mining was started, and by World War II all mining was underground. [3] Ore mined was partially processed on site and then sent to Colorado Fuel and Iron mills in Pueblo, Colorado.