1. Regional geology of Ochoan evaporites, northern part of Delaware Basin;Bachman;N.M. Bur. Mines Miner. Resour., Circ.,1984
2. Radiometric dating of Ochoan (Permian) evaporites, WIPP site, Delaware Basin, New Mexico, U.S.A.;Brookins,1987
3. WIPP site studies: secondary selenite veins in the Rustler Formation and Dewey Lake Red Beds;Brookins,1988