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DESCRIPTION:

Latitude 41°34'09",   Longitude 87°47'40"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120003

Well depth: 489 feet
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field/Lab water-quality samples	1985-11-20	1985-11-20	1
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