Latitude 43°48'27", Longitude 103°52'50" NAD27
Custer County, South Dakota , Hydrologic Unit 10120107
Land surface altitude: 6,040
feet above NGVD29.
Spring discharges from "Paleozoic aquifers" (N500PLOZOC) national aquifer.
Spring discharges from "Minnelusa Formation (Permian andPennsylvanian)" (310MNLS) local aquifer