Title: Geology and uranium deposits in the Cave Hills area, Harding County, South Dakota
Abstract: Tuffaceous bentomtic claystone Clay shale or claystone Bentonite Covered interval 'After Denson, Bachman, and Zeller(1959) 2 Equals bed D of the same authors 3 Equals bed Cof the same authors 4 Fossil collections *Zones containing ore-grade (0.1 percent or more) uranium