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USGS 420034087504901 41N12E-34.1h1

  Well Site

Latitude 42°00'34",   Longitude 87°50'49"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004
Well depth: 1425 feet
Land surface altitude: 640 feet above NGVD29.
Data Type Begin Date End Date Count
 Field groundwater-level measurements 1912-01-01  1912-01-01  1 
 Field/Lab water-quality samples 1914-01-01  1915-03-03  2 
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