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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 440722103585001 2N 1E22ABDC

Pennington County, South Dakota
Hydrologic Unit Code --
Latitude  44°07'22", Longitude 103°58'50" NAD27
Land-surface elevation 6,730 feet above NGVD29
Spring discharges from the Paleozoic aquifers (N500PLOZOC) national aquifer.
Spring discharges from the Pahasapa Limestone (337PHSP) local aquifer.

Period of record
Begin Date End Date Count
1995-08-22 1995-08-22 1

 
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