Latitude 41°39'29", Longitude 87°31'58" NAD27
Cook County, Illinois , Hydrologic Unit 04040001
Well depth: 93 feet Hole depth: 93 feet
Land surface altitude: 587.63
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Niagaran Series" (355NIGR) local aquifer