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USGS 414619087533701 38N12E-20.7f1

  Well Site

Latitude 41°46'19",   Longitude 87°53'37"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004
Well depth: 0400 feet
Hole depth: 414 feet
Land surface altitude: 707 feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer
Data Type Begin Date End Date Count
 Field groundwater-level measurements 1970-08  1977-12  3 
 Field/Lab water-quality samples 1985-07-09  1985-07-09  1 
Record for this site is maintained by the USGS Illinois Water Science Center
Email questions about this site to Illinois Water Science Center Water-Data Inquiries