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List of National Natural Landmarks in South Dakota facts for kids

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From List of National Natural Landmarks, these are the National Natural Landmarks in South Dakota.

Name Image Date Location County Ownership Description
1 Ancient River Warren Channel 1965 Grant mixed- state, private A channel cut by the Ancient River Warren during the Ice Age.
2 Bear Butte BEAR BUTTE.jpg 1965 Meade mixed- state, tribal, private A cone-shaped mass of igneous rock standing alone 1,300 feet (400 m) above the surrounding plains.
3 Bijou Hills 1976 Charles Mix private An excellent example of an erosional remnant of soft clays and shales capped by a channel sandstone and quartzite.
4 Buffalo Slough 1980 Lake state Excellent examples of a prairie pothole with native emergent vegetation, and a native bluestem prairie.
5 The Castles 1976 Harding federal (Custer National Forest) Steep-walled, flat-topped buttes standing 200 to 400 feet (61 to 122 m) above the surrounding prairie.
6 Cathedral Spires and Limber Pine Natural Area Needles 1976 Custer state (Custer State Park) An excellent, rare example of joint-controlled weathering of granite.
7 Cottonwood Slough- Dry Run 1975 Roberts mixed- state, private A completely undisturbed wetland complex including potholes, streams, shallow open water, lakes, and marsh.
8 Fort Randall Eagle Roost 1967 Gregory federal (Missouri National Recreational River) A prime winter roosting area for bald and golden eagles.
9 Lake Thompson 1975 Kingsbury state Contains a large undisturbed and unmanipulated marsh, an outstanding waterfowl breeding and resting area.
10 Mammoth Site of Hot Springs Mammoth Site 1980 Fall River private One of the largest concentrations of mammoth remains in the United States.
11 Red Lake 1975 Brule state One of the largest remaining natural and unmanipulated prairie pothole lakes.
12 Sica Hollow 1967 Marshall state Displays many facets of natural history.
13 Snake Butte 1967 Jackson tribal (Oglala Sioux) Illustrates one of two types of sand calcite deposits in the world.
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List of National Natural Landmarks in South Dakota Facts for Kids. Kiddle Encyclopedia.