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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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| Backbone State Forest | State Forest | 8 | Richland | Iowa |
| Backbone State Park | State Park | 8.5 | Dundee | Iowa |
| White Pine Hollow State Park | State Park | 15.2 | New Vienna | Iowa |
| Brush Creek Canyon State Park | State Park | 16.4 | Arlington | Iowa |
| Nelson Dewey State Park | State Park | 19.2 | Cassville | Wisconsin |
| Pikes Peak State Park | State Park | 25.2 | McGregor | Iowa |
| Wyalusing State Park | State Park | 25.7 | Bagley | Wisconsin |
| Cedar Rock State Park | State Park | 26.4 | Independence | Iowa |
| Echo Valley State Park | State Park | 26.8 | West Union | Iowa |
| Troy Mills State Fish And Game Area | State Wildlife Area | 30 | Rowley | Iowa |