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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 440214099381701 107N73W30CD R

Lyman County, South Dakota
Hydrologic Unit Code 10140104
Latitude  44°02'14", Longitude  99°38'17" NAD27
Land-surface elevation 1,805 feet above NGVD29
Spring discharges from the Lower Cretaceous aquifers (N300LCRTCS) national aquifer.
Spring discharges from the Dakota Sandstone or Formation (211DKOT) local aquifer.

Period of record
Begin Date End Date Count
1961-08-15 1961-08-15 1

 
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