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DESCRIPTION:

Latitude 43°01'29",   Longitude 99°20'12"   NAD27
Gregory County, South Dakota   , Hydrologic Unit 10150006

Well depth: 105.3 feet
Hole depth: 140 feet
Land surface altitude: 2,217 feet above NGVD29.
Well completed in "High Plains aquifer" (N100HGHPLN) national aquifer.
Well completed in "Arikaree Formation" (122ARKR) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1978-06-20	2023-06-06	284
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1981-07-23	1981-07-23	1
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