Cook County, Illinois
Latitude 41°40'09", Longitude 87°36'42"
NAD27
Land-surface elevation 591.62 feet above NGVD29
The depth of the hole is 85 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Racine Formation (355RCIN) local aquifer.