Public Sites
| State | County | Name |
|---|---|---|
| Iowa | Cerro Gordo | Bokelmann Prairie |
| California | Orange | Bolsa Chica Ecological Reserve |
| Iowa | Howard | Bonair County Park |
| Iowa | Van Buren | Bonaparte |
| Mississippi | Lauderdale | Bonita Lakes RV Park |
| Iowa | Boone | Boone |
| Iowa | Boone | Boone & Scenic Valley Railroad |
| Iowa | Hamilton | Boone Forks Wildlife Management Area |
| Iowa | Hancock | Boone River @ US18 |
| Iowa | Wright | Boone River Green Belt |
| Iowa | O'Brien | Borrow Pits @ L40 |
| Montana | Phillips | Bowdin Wildlife Refuge |
| Iowa | Sac | Boyer River @ 310th Street |
| Iowa | Sac | Boyer River @ 330th Street |
| Iowa | Linn | Boyson Park |
| Florida | Manatee | Bradenton |
| Florida | Manatee | Bradenton, 9906-9998 Manatee Avenue West |
| Texas | Fort Bend | Brazos Bend State Park |
| Iowa | Jones | Breen Prairie |
| Iowa | Polk | Brenton Slough |
| Iowa | Hamilton | Brewer Park |
| Iowa | Hamilton | Briggs Woods Park |
| Iowa | Washington | Brinton Timbers Park |
| Iowa | Plymouth | Broken Kettle Grasslands Preserve |
| Iowa | Story | Brookside Park, Ames |