LKB Resources, Inc., 1979, NURE aerial gamma-ray and magnetic reconnaissance survey, Colorado-Arizona area, Salton Sea NI 11-9 and El Centro NI 11-12 quadrangles, V. II: U.S. Department of Energy Report GJBX-12(80), 230 p.
LKB Resources, Inc., 1979, NURE aerial gamma-ray and magnetic reconnaissance survey, Colorado-Arizona area, Salton Sea NI 11-9 and El Centro NI 11-12 quadrangles, V. II: U.S. Department of Energy Report GJBX-12(80), 230 p.
Magnetic Survey, Radiometric Survey,