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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 435018103530901 2S 2E33ABBC

Custer County, South Dakota
Hydrologic Unit Code 10120107
Latitude  43°50'18", Longitude 103°53'09" NAD27
Land-surface elevation 6,190 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
1995-07-28 1995-07-28 1

 
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