Fall River County, South Dakota
Hydrologic Unit Code 10120109
Latitude 43°27'03", Longitude 103°30'28"
NAD27
Land-surface elevation 3,625 feet above NGVD29
Spring discharges from the Paleozoic aquifers (N500PLOZOC) national aquifer.
Spring discharges from the Madison Group (Upper and Lower Mississippian) (331MDSN) local aquifer.