Reference | {Deposit:: DESHAYES, E.V., AND WILSON, S.R., 1949, INVESTIGATION OF COLORADO MINERALS CO. CALCITE DEPOSITS, ARCHULETA AND HINSDALE COUNTIES, COLORADO: USBM RI-4554, 7 P.}{Deposit:: STEVEN, T.A., AND OTHERS, 1974, GEOLOGIC MAP OF THE DURANGO QUADRANGLE, SOUTHWESTERN COLORADO: USGS MAP I-764.} |