"Cimarron County (Okla.)" . . . . "Oklahoma Water Resources Board." . . "U.S." . . "Geological Survey (United States)" . . . . . . . . . "Maps"@en . . . . . "Preliminary investigations of the hydrogeology of the permian to tertiary rocks of the Oklahoma panhandle" . "Preliminary investigations of the hydrogeology of the permian to tertiary rocks of the Oklahoma Panhandle" . . . . . "Preliminary investigations of the hydrogeology of the Permian to Tertiary rocks of the Oklahoma Panhandle"@en . . . . . . . . . .