Castle Rock State Park, Illinois
Latitude, Longitude - WGS 84 (NAD 83)
D: 41.978, -89.364
DM: 41° 58.68', -89° 21.84'
DMS: 41° 58' 40.8", -89° 21' 50.4"
UTM: 16T 304146 4650037
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