Lawrence County, South Dakota
Hydrologic Unit Code 10120111
Latitude 44°14'05", Longitude 103°44'18"
NAD27
Land-surface elevation 6,190 feet above NGVD29
Spring discharges from the Paleozoic aquifers (N500PLOZOC) national aquifer.
Spring discharges from the Pahasapa Limestone (337PHSP) local aquifer.