The Wyodak mine is a coal mine in Wyodak, Wyoming, United States, located about 6 miles (9.7 km) east of Gillette in the coal-rich Powder River Basin.
The Wyodak Mine, as seen from Interstate 90, July 2018
A postcard of the Wyodak Mine, circa 1930-1945
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 its rolling grasslands and semiarid climate.
Powder River Basin and surrounding uplifts (US Geological Survey)
Northeast view of the mile wide Decker coal mine and the Tongue River in the Powder River Basin, southeastern Montana.