Tunnel Hill State Trail, Illinois
Latitude, Longitude - WGS 84 (NAD 83)
D: 37.417, -88.296297
DM: 37° 25.02', -88° 17.77782'
DMS: 37° 25' 1.2", -88° 17' 46.6692"
UTM: 16S 385291 4141922
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