Latitude 43°46'28", Longitude 103°54'11" NAD27
Custer County, South Dakota , Hydrologic Unit 10120107
Land surface altitude: 5,540
feet above NGVD29.
Spring discharges from "Paleozoic aquifers" (N500PLOZOC) national aquifer.
Spring discharges from "Minnelusa Formation (Permian andPennsylvanian)" (310MNLS) local aquifer