| Reference | {Deposit:: MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723, P. 73-75.}{Deposit:: PRATT, W.P., AND OTHERS, 1969, GEOLOGIC MAP OF THE RICO QUADRANGLE, DOLORES AND MONTEZUMA COUNTIES, COLORADO: USGS MAP GQ-797.}{Deposit:: RANSOME, F.L., 1901, THE ORE DEPOSITS OF THE RICO MOUNTAINS, COLORADO: USGS 22D ANN. REPT., PT. 2, P. 350-351.}{Deposit:: CROSS, WHITMAN, AND RANSOME, F.L., 1905, DESCRIPTION OF THE RICO QUADRANGLE: USGS FOLIO 130.}{Deposit:: BLM MINERAL SURVEY MS 1563}{Deposit:: COLLINS, G.E., 1931, LOCALIZATION OF ORE BODIES AT RICO AND RAD MOUNTAIN, COLORADO, AS CONDITIONED BY GEOLOGIC STRUCTURE AND HISTORY: COLORADO SCI. SOC. PROC., V. 12, NO. 12, P. 407-424.} |