| Reference | {Deposit:: CATHCART, J., 1972, PHOSPHATE AND BAUXITE INVESTIGATIONS, CO}{Deposit:: USGS OPEN FILE RPT. IR CO-26, 62 PGS.}{Deposit:: CATHCART, J., 1973, PHOSPHATE AND BAUXITE INVESTIGATIONS, CO}{Deposit:: USGS OPEN FILE RPT. IR CO-29, 26 PGS.} |