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  2. Geology of South Dakota - Wikipedia

    en.wikipedia.org/wiki/Geology_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.

  3. The most commonly misspelled words by state - AOL

    www.aol.com/news/2016-05-31-the-most-commonly...

    Related: See images from the 2016 National Spelling Bee: Virginia, Rhode Island, Maryland, and Pennsylvania seem to be home to some flaky people. Cancelled was the most looked up word in all four ...

  4. Stalactite - Wikipedia

    en.wikipedia.org/wiki/Stalactite

    Image showing the six most common speleothems with labels. Enlarge to view labels. A stalactite (UK: / ˈ s t æ l ə k ˌ t aɪ t /, US: / s t ə ˈ l æ k t aɪ t /; from Ancient Greek σταλακτός (stalaktós) 'dripping', from σταλάσσειν (stalássein) 'to drip') [1] is a mineral formation that hangs from the ceiling of caves, hot springs, or man-made structures such as ...

  5. List of archaeological sites in South Dakota - Wikipedia

    en.wikipedia.org/wiki/List_of_archaeological...

    According to the South Dakota State Historical Society's Archaeological Research Center, over 26,000 archaeological sites have been recorded in the U.S. state of South Dakota. [1] This list is broken down by county and encompasses sites across all of what is now South Dakota. Only notable sites are listed.

  6. List of National Natural Landmarks in South Dakota - Wikipedia

    en.wikipedia.org/wiki/List_of_National_Natural...

    mixed- state, private A channel cut by the Ancient River Warren during the Ice Age. Bear Butte: 1965: Meade: mixed- state, tribal, private A cone-shaped mass of igneous rock standing alone 1,300 feet (400 m) above the surrounding plains. Bijou Hills: 1976

  7. Geography of South Dakota - Wikipedia

    en.wikipedia.org/wiki/Geography_of_South_Dakota

    South Dakota is the 17th-largest state in the country. South Dakota has a humid continental climate in the east and the Black Hills, and a semi-arid climate in the west outside of the Black Hills, featuring four very distinct seasons, and the ecology of the state features plant and animal species typical of a North American temperate grassland ...

  8. South Dakota - Wikipedia

    en.wikipedia.org/wiki/South_Dakota

    South Dakota (/ d ə ˈ k oʊ t ə / ⓘ; [9] Sioux: Dakȟóta itókaga, pronounced [daˈkˣota iˈtokaga]) is a landlocked state in the North Central region of the United States.It is also part of the Great Plains.

  9. Rushmore Cave - Wikipedia

    en.wikipedia.org/wiki/Rushmore_Cave

    It is the ninth longest cave in South Dakota. It measures a distance of 3,652.6 feet (1,113.3 m). It measures a distance of 3,652.6 feet (1,113.3 m). It was discovered in 1876 when a log flume that supplied water to mining operations in town of Hayward broke and spilled onto the side of the hill.