Light Pollution Impact - Severe
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| Babler Memorial State Park | Bennett Spring State Park | |
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| Big Oak Tree State Park | Big Sugar Creek State Park | Castlewood State Park |
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| Crowder State Park | Cuivre River State Park | Edward "Ted" and Pat Jones-Confluence Point State Park |
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| Elephant Rocks State Park | Finger Lakes State Park | Graham Cave State Park |
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| Grand Gulf State Park | Ha Ha Tonka State Park | Harry S Truman State Park |
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| Hawn State Park | Hercules-Glades Wilderness Area | Katy Trail State Park |
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| Knob Noster State Park | Lake of the Ozarks State Park | Lewis and Clark State Park |
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| Long Branch State Park | Meramec State Park | Morris State Park |
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| Onondaga Cave State Park | Pomme de Terre State Park | Prairie State Park |
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| Roaring River State Park | Robertsville State Park | Rock Bridge Memorial State Park |
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| Route 66 State Park | St. Francois State Park | St. Joe State Park |
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| Table Rock State Park | Thousand Hills State Park | Trail of Tears State Park |
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| Wakonda State Park | Wallace State Park | Washington State Park |
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| Watkins Mill State Park | Weston Bend State Park | |
Light Pollution Impact - Moderate
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| Big Lake State Park | Lake Wappapello State Park |
Mark Twain State Park |
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| Mingo Wilderness Area | Pershing State Park | Sam A Baker State Park |
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| Stockton State Park | Taum Sauk Mountain State Park |
Van Meter State Park |
Light Pollution Impact - Slight
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| Johnson's Shut-ins State Park |
Montauk State Park | |
As a rough estimate - around Green you loose approximately half of the visible stars and around Orange you loose three-fourths. - Robert Wagner
Key and US Forecasted Growth
These images were produced using the North American Night Sky Brightness Overlay and Google Earth.
The list of 156 Mandatory Class 1 Federal Areas is available at the EPA Website.
A map of Federal Class 1 Areas is available at the NPS Website.
This site is maintained by Robert Wagner. Please contact me if you have any additional relevant information or corrections.