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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 435452104024601 1S 1E31CDAD

Pennington County, South Dakota
Hydrologic Unit Code 10120107
Latitude  43°54'52", Longitude 104°02'46" NAD27
Land-surface elevation 6,020 feet above NGVD29
Spring discharges from the Paleozoic aquifers (N500PLOZOC) national aquifer.
Spring discharges from the Minnelusa Formation (Permian andPennsylvanian) (310MNLS) local aquifer.

Period of record
Begin Date End Date Count
1995-06-16 1995-06-16 1

 
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