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This is a list of Superfund sites in South Dakota designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law. The CERCLA federal law of 1980 authorized the United States Environmental Protection Agency (EPA) to create a list of polluted locations requiring a long-term response to clean up hazardous material contaminations. [1]
The granite core of the Black Hills rises 7,244 feet (2,208 m) at Black Elk Peak. The 'bull's eye' of this target is called the granite core. The granite of the Black Hills was emplaced by magma generated during the Trans-Hudson orogeny and contains abundant pegmatite. The core of the Black Hills has been dated to 1.8 billion years. Other ...
The Black Hills, the United States' oldest mountain range, [11] is 125 miles (201 km) long and 65 miles (105 km) wide stretching across South Dakota and Wyoming. [12] The Black Hills derived its name from the black image that is produced by the "thick forest of pine and spruce trees" that covers the hills and was given the name by the Native Americans belonging to the Lakota (Sioux). [13]
Indigenous activists praised a recent federal government proposal to ban new mineral exploration in a swath of South Dakota’s Black Hills National Forest for 20 years but said it falls short by ...
In 1876, settlers Fred and Moses Manuel, Alex Engh, and Hank Harney discovered the Homestake deposit during the Black Hills Gold Rush. The Black Hills had been guaranteed to the Lakota Nation by the Fort Laramie Treaty, but the land was stolen for its gold. [4] A trio of mining entrepreneurs, George Hearst, Lloyd Tevis, and James Ben Ali Haggin ...
The Black Hills gold rush took place in Dakota Territory in the United States. It began in 1874 following the Custer Expedition and reached a peak in 1876–77. Rumors and poorly documented reports of gold in the Black Hills go back to the early 19th century.
A South Dakota-based public utility company, Black Hills Corp., has inked a deal through its Wyoming subsidiary, Black Hills Energy, to provide power to a bitcoin mining operation in Cheyenne, Wyo ...
This was a Black Hills mining camp, more or less in the same area as Garden City (Maitland), Carbonate Camp and Grizzly Gulch, apparently in area north and west of Deadwood and Lead. Lookout: Pennington: c. 1884-c. 1890: Neglected: The residential community of Fort Lookout.