List of National Natural Landmarks in South Dakota facts for kids
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 |  |
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 |  |
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 |  |
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.