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Further to the west, the James River Basin is mostly low, flat, highly eroded land, following the flow of the James River through South Dakota from north to south. The Dissected Till Plains, an area of rolling hills and fertile soil that covers much of Iowa and Nebraska, also extends into the southeastern corner of South Dakota.
Further west, the James River Basin is mostly low, flat, highly eroded land, following the flow of the James River through South Dakota from north to south. [58] The Dissected Till Plains, an area of rolling hills and fertile soil that covers much of Iowa and Nebraska, extends into the southeastern corner of South Dakota.
Southwest of Lead, South Dakota, there is still an active open pit gold mine, run by Goldcorp. [9] South Dakota has oil and gas production in the Williston Basin in the northwest, although it produces only one percent of the US total, primarily from traditional vertical wells. One hundred wells produce 1.6 million gallons of oil annually.
Till plains are large flat or gently sloping areas of land on which glacial till has been deposited from a melted glacier. In some areas, these depositions can be up to hundreds of feet thick. The morphology of the till plain is generally reflective of the topography of the bedrock below the glacier.
South Dakota is the 17th most extensive, but the 5th least populous, and the 5th least densely populated of the 50 United States. Once the southern portion of the Dakota Territory, South Dakota became a state on November 2, 1889, simultaneously with North Dakota. Pierre is the state capital and Sioux Falls, with a population of 159,000, is ...
The bottom of the Grand Canyon of the Colorado River in Arizona Great Sand Dunes National Park in Colorado. Together with the Pacific States of Alaska, California, Hawaii, Oregon, and Washington, the Mountain states constitute the broader region of the West, one of the four regions the United States Census Bureau formally recognizes (the Northeast, South, and Midwest being the other three).
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American Indian reservations in South Dakota (2 C, 11 P) B. Borders of South Dakota (8 P) C. South Dakota counties (78 C, 67 P) County seats in South Dakota (64 P) F.