Pennington County, South Dakota
Hydrologic Unit Code 10120110
Latitude 44°02'28", Longitude 103°19'57"
NAD27
Land-surface elevation 3,477.5 feet above NGVD29
The depth of the hole is 100 feet below land surface.
Spring discharges from the Paleozoic aquifers (N500PLOZOC) national aquifer.
Spring discharges from the Madison Group (Upper and Lower Mississippian) (331MDSN) local aquifer.