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DESCRIPTION:

Latitude 43°34'04",   Longitude 100°19'22"   NAD27
Mellette County, South Dakota   , Hydrologic Unit 10140204

Well depth: 2690 feet
Hole depth: 2690 feet
Land surface altitude: 2,106 feet above NGVD29.
Well completed in "Paleozoic aquifers" (N500PLOZOC) national aquifer.
Well completed in "Madison Group (Upper and Lower Mississippian)" (331MDSN) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1966-08-17	1966-08-17	1
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1966-05-16	1966-07-29	2
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