Lawrence County, South Dakota
Hydrologic Unit Code 10120110
Latitude 44°09'33", Longitude 103°52'41"
NAD27
Land-surface elevation 6,180 feet above NGVD29
Spring discharges from the Paleozoic aquifers (N500PLOZOC) national aquifer.
Spring discharges from the Pahasapa Limestone (337PHSP) local aquifer.