List of National Natural Landmarks in South Dakota
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From List of National Natural Landmarks, these are the National Natural Landmarks in South Dakota.
More information Name, Image ...
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 | 1965 | 44.475833°N 103.426944°W / 44.475833; -103.426944 (Bear Butte) | 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 | 43.517778°N 99.147222°W / 43.517778; -99.147222 (Bijou Hills) | 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 | 43.874308°N 96.939013°W / 43.874308; -96.939013 (Buffalo Slough) | Lake | state | Excellent examples of a prairie pothole with native emergent vegetation, and a native bluestem prairie. | |
5 | The Castles | 1976 | 45.527583°N 103.170965°W / 45.527583; -103.170965 (The Castles) | 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 | 1976 | 43.841111°N 103.544444°W / 43.841111; -103.544444 (Cathedral Spires and Limber Pine Natural Area) | Custer | state (Custer State Park) | An excellent, rare example of joint-controlled weathering of granite. | |
7 | Cottonwood Slough- Dry Run | 1975 | 44.957077°N 97.193497°W / 44.957077; -97.193497 (Cottonwood Slough- Dry Run) | 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 | 44.285°N 97.461944°W / 44.285; -97.461944 (Lake Thompson) | Kingsbury | state | Contains a large undisturbed and unmanipulated marsh, an outstanding waterfowl breeding and resting area. | |
10 | The Mammoth Site | 1980 | 43.42471°N 103.48313°W / 43.42471; -103.48313 (The Mammoth Site) | Fall River | private | One of the largest concentrations of mammoth remains in the United States. | |
11 | Red Lake | 1975 | 43.726352°N 99.22518°W / 43.726352; -99.22518 (Red Lake) | Brule | state | One of the largest remaining natural and unmanipulated prairie pothole lakes. | |
12 | Sica Hollow | 1967 | 45.741944°N 97.2425°W / 45.741944; -97.2425 (Sica Hollow) | 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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