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DESCRIPTION:

Latitude 41°42'39",   Longitude 87°54'38"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 225 feet
Land surface altitude: 651.59 feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Devonian-Silurian System" (340DVSL) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1985-10-29	1990-10-30	15
Revisions	Loading...

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