Public Sites
| State | County | Name |
|---|---|---|
| Iowa | Calhoun | Camp Creek @ Hwy N33 |
| Iowa | Scott | Cameron Woods State Preserve |
| Colorado | Larimer | Cameron Pass |
| Iowa | Wright | Cambier River Bend |
| Michigan | Kent | Calvin University |
| Iowa | Winneshiek | Calmar |
| Iowa | Webster | Callender, Iowa |
| Iowa | Hardin | Calkins Nature Center |
| Iowa | Calhoun | Calhoun Wildlife Area |
| Iowa | Calhoun | Calhoun County |
| Iowa | Louisa | Cairo Woods Wildlife Area |
| Tennessee | Blount | Cades Cove |
| Iowa | Jackson | Buzzard Ridge Wildlife Area |
| Iowa | Butler | Butler County |
| Iowa | Clayton | Bussey Lake |
| Illinois | McDonough | Bushnell |
| Iowa | Fayette | Bush Creek @ C24 |
| Iowa | Kossuth | Burt Lake Campground and Wildlife Area |
| Iowa | Emmet | Burr Oak Wildlife Management Area |
| Iowa | Sioux | Burr Oak Creek @ Hwy 75 |
| Iowa | Sioux | Burr Oak Creek @ 280th Street - 2 |
| Iowa | Sioux | Burr Oak Creek @ 280th Street |
| Iowa | Mitchell | Burr Oak Creek |
| Iowa | Winneshiek | Burr Oak |
| Iowa | Palo Alto | Burns Prairie Area |