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DESCRIPTION:

Latitude 42°05'23",   Longitude 88°05'53"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120006

Well depth: 1392 feet
Hole depth: 1392 feet
Land surface altitude: 820.00 feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician-Cambrian Systems" (367OVCB) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1971-09-02	1971-09-02	1
Field/Lab water-quality samples	1971-09-15	1983-01-25	10
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