Topo Map of Streams in Grant County, South Dakota
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Streams in Grant County South Dakota
| Place | USGS Topo Map |
|---|---|
| Ancient River Warren Channel (historical) | Ortonville |
| Indian River | Lonesome Lake |
| Mud Creek | Marietta |
| North Fork Whetstone River | Big Stone Lake SE |
| South Fork Whetstone River | Big Stone Lake SE |
| Whetstone River | Ortonville |
This is a list of all the streams in Grant County, South Dakota. In some cases there are duplicate names so try to select the one you are looking for based on the USGS quad topo map name which is often a recognizable feature or town nearby.