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| Lighthouse |
| Metro and City Park |
| National Forest |
| National Historic Landmark |
| National Historic Site |
| National Historical Park |
| National Memorial |
| National Park |
| National Recreation Area |
| National Seashore |
| National Wildlife Area |
| National Wildlife Refuge |
| State Fish Hatchery |
| State Fishery Area |
| State Forest |
| State Historic Site |
| State Memorial |
| State Natural Area |
| State Nature Preserve |
| State Nursery |
| State Park |
| State Preserve |
| State Recreation Area |
| State Reserve |
| State Wildlife Area |
| State Wildlife Management Area |
| State Wildlife Refuge |
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| Badger Lake Wildlife Mgmt Area | State Wildlife Management Area | 12.4 | Whiting | Iowa |
| Stone State Park | State Park | 17.8 | Sioux City | Iowa |
| Decatur Wildlife Area | State Wildlife Area | 19.6 | Decatur | Iowa |
| Lewis And Clark State Park | State Park | 19.7 | Onawa | Iowa |
| Ponca State Park | State Park | 28 | Ponca | Nebraska |
| Preparation Canyon State Park | State Park | 35.7 | Moorhead | Iowa |
| Buckskin Hills Wildlife Mgmt Area | State Wildlife Management Area | 37.9 | Newcastle | Nebraska |
| Round Lake Wildlife Mgmt Area | State Wildlife Management Area | 41.9 | Mondamin | Iowa |
| Union County State Park | State Park | 48.3 | Beresford | South Dakota |
| Tyson Island Wildlife Mgmt Area | State Wildlife Management Area | 48.6 | Modale | Iowa |