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USGS 414828087543501 38N12E- 6.5c1

  Well Site

Latitude 41°48'28",   Longitude 87°54'35"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004
Well depth: 2046 feet
Hole depth: 2050 feet
Land surface altitude: 646 feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Mount Simon Sandstone" (372MNSM) local aquifer
Data Type Begin Date End Date Count
 Field groundwater-level measurements 1914-03-18  1914-10-01  3 
 Field/Lab water-quality samples 1914-04-19  1915-06-09  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