Topographic Map Reservoir Features in Calhoun County, Iowa
Browse by County - Calhoun, Feature Type - Reservoir
| Feature | Type | County | USGS Topo Map | Elevation | Lat | Long |
|---|---|---|---|---|---|---|
| North Twin Lake | Reservoir | Calhoun | Rockwell City | 1214 feet | 42.471ºN | 94.642ºW |
| South Twin Lake | Reservoir | Calhoun | Rockwell City | 1217 feet | 42.454ºN | 94.646ºW |
