Castle Rock State Park, Illinois
Latitude, Longitude - WGS 84 (NAD 83)
D: 41.978, -88.296297
DM: 41° 58.68', -88° 17.77782'
DMS: 41° 58' 40.8", -88° 17' 46.6692"
UTM: 16T 392606 4648146
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