Lawrence County, South Dakota
Hydrologic Unit Code 10120111
Latitude 44°14'50", Longitude 103°28'44"
NAD27
Land-surface elevation 4,820 feet above NGVD29
Spring discharges from the Paleozoic aquifers (N500PLOZOC) national aquifer.
Spring discharges from the Pahasapa Limestone (337PHSP) local aquifer.