Public Sites
| State | County | Name |
|---|---|---|
| Iowa | Polk | Ashworth Park |
| Iowa | Jasper | Ashton-Wildwood County Park |
| Iowa | Ida | Ashton Creek @ 130th Street |
| Iowa | Osceola | Ashton |
| Iowa | Sac | Arrowhead Lake |
| Iowa | Pottawattamie | Arrowhead County Park |
| Iowa | Marshall | Arney Bend Wildlife Area |
| Iowa | Allamakee | Armund Bartz Prairie |
| Iowa | Fayette | Arlington |
| Arizona | Pima | Arizona Sonora Desert Museum |
| Arizona | Pima | Arizona |
| Iowa | Lee | Argyle Road |
| Iowa | Lee | Argyle |
| Iowa | Poweshiek | Arbor Lake Park, Grinnell |
| Colorado | Jackson | Arapaho Wildlife Refuge |
| Texas | Aransas | Aranus National Wildlife Refuge |
| Iowa | Appanoose | Appanoose County |
| Iowa | Butler | Aplington |
| Florida | Wakulla | Apalachicola Wildlife Management Area |
| Iowa | Woodbury | Anthony Pope Prairie |
| Iowa | Warren | Annett Nature Center Park |
| Iowa | Polk | Ankeny |
| Iowa | Cass | Anita |
| Iowa | Boone | Angus |
| South Dakota | Fall River | Angostura Reservoir and State Recreational Area |