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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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| Chain OLakes State Park | State Park | 15.3 | Antioch | Illinois |
| Volo Bog State Natural Area | State Natural Area | 19.2 | Grant | Illinois |
| Tichigan Wildlife Area | State Wildlife Area | 19.8 | Tichigan | Wisconsin |
| Moraine Hills State Park | State Park | 20.8 | McHenry | Illinois |
| Kettle Moraine State Forest | State Forest | 21.7 | Palmyra | Wisconsin |
| Rock Cut State Park | State Park | 31.9 | Loves Park | Illinois |
| Illinois Beach State Park | State Park | 33 | Zion | Illinois |
| Wisconsin State Fish Hatchery | State Fish Hatchery | 33.8 | Delafield | Wisconsin |
| Cushing Memorial State Park | State Park | 33.9 | Delafield | Wisconsin |
| Goose Lake Wildlife Area | State Wildlife Area | 47.8 | Marshall | Wisconsin |