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DESCRIPTION:

Latitude 42°05'44",   Longitude 88°46'43"   NAD27
Dekalb County, Illinois   , Hydrologic Unit 07090006

Well depth: 475 feet
Hole depth: 475 feet
Land surface altitude: 820 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	1971-08-01	1971-08-01	1
Field/Lab water-quality samples	1985-09-17	1985-09-17	2
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