Latitude 43°48'00", Longitude 103°54'05" NAD27
Custer County, South Dakota , Hydrologic Unit 10120107
Land surface altitude: 5,720
feet above NGVD29.
Spring discharges from "Paleozoic aquifers" (N500PLOZOC) national aquifer.
Spring discharges from "Minnelusa Formation (Permian andPennsylvanian)" (310MNLS) local aquifer