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The state can generally be divided into three geographic regions: eastern South Dakota, western South Dakota, and the Black Hills. Eastern South Dakota is lower in elevation and higher in precipitation than the western part of the state, and the Black Hills are a low, isolated mountain group in the southwestern corner of the state.
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.
In South Dakota, most of the eastern part of the state is covered by the Drift Prairie. The Missouri River cuts through the center of the state. To the east of the river are low hills and lakes formed by glaciers referred to as the Drift Prairie. The area is bordered on the east by the Minnesota River Valley and on the west by the James River ...
The plateau has numerous small glacial lakes and is drained by the Big Sioux River in South Dakota and the Cottonwood River in Minnesota. Pipestone deposits on the plateau have been quarried for hundreds of years by Native Americans , who use the prized, brownish-red mineral to make their sacred ceremonial pipes .
From 1849 to 1858, this was the now-South Dakota portion of the Minnesota Territory. The East River region was generally capable of supporting homesteaders on the standard 160-acre plots of the era during the wetter-than average years between 1879 and 1885; prolonged droughts between 1886 and 1897, however, severely affected the region's ...
The Big Sioux River is a tributary of the Missouri River in eastern South Dakota and northwestern Iowa in the United States. [2] It flows generally southwardly for 419 mi (674 km), [3] and its watershed is 9,006 sq mi (23,330 km 2). [1] The United States Board on Geographic Names settled on "Big Sioux River" as the stream's name in 1931. [4]
South Dakota is named after the Dakota Sioux tribe, which comprises a large portion of the population — with nine reservations currently in the state — and has historically dominated the territory. [10] South Dakota is the 17th-largest by area, but the fifth-least populous, and the fifth-least densely populated of the 50 United States.
The Dakotas, also known as simply Dakota, is a collective term for the U.S. states of North Dakota and South Dakota.It has been used historically to describe the Dakota Territory, and is still used for the collective heritage, [2] culture, geography, [3] fauna, [4] sociology, [5] economy, [6] [7] and cuisine [8] of the two states.