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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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| Hoosier Prairie State Nature Preserve | State Nature Preserve | 22.4 | Schererville | Indiana |
| Warren Woods State Park | State Park | 25.5 | Sawyer | Michigan |
| Kingsbury State Fish And Game Area | State Wildlife Area | 26.5 | La Porte | Indiana |
| Kingsbury State Fish and Wildlife Area | State Wildlife Area | 27.9 | Walkerton | Indiana |
| Kaukakee State Fish and Wildlife Area | State Wildlife Area | 29.1 | North Judson | Indiana |
| Warren Dunes State Park | State Park | 29.4 | Sawyer | Michigan |
| Grand Mere State Park | State Park | 35.9 | Stevensville | Michigan |
| Potato Creek State Park | State Park | 37.3 | North Liberty | Indiana |
| Chicago Portage National Historic Site | National Historic Site | 39.6 | Lyons | Illinois |
| Tri County State Fish And Game Area | State Wildlife Area | 40.9 | Lake Village | Indiana |