Reference | {Deposit:: STAATZ, M.H., AND OTHERS, 1979, PRINCIPAL THORIUM RESOURCES IN THE UNITED STATED: USGS CIRCULAR 805, P. 12-13.}{Deposit:: BROCK, M.R. AND SINGEWALD, Q.D., 1968, GEOLOGIC MAP OF THE MOUNT TYNDALL QUADRANGLE, CUSTER COUNTY, COLORADO: USGS MAP GQ-596, 1:24,000.} |