| Reference | {Deposit:: CROSS, W. AND LARSEN, E. S., 1935 , A BRIEF REVIEW OF THE GEOLOGY OF THE SAN JUAN REGION OF SOUTHWESTERN COLORADO: USGS BULL. 843 , 138 P.}{Deposit:: GARDNER, L. S., 1943 , UNPUB. REPT. IN USGS FILE}{Deposit:: STEVEN, T. A., LIPMAN, P. W., HAIL, W. J., JR., BARKER, FRED, AND LUEDKE, R. G., COMPILERS, 1974 , GEOLOGIC MAP OF THE DURANGO QUADRANGLE, SOUTHWESTERN COLORADO, USGS MISC. INV. MAP I-764 , SCALE 1:250,000}{Deposit:: 1915 DIREXPL VARIOUS INDIVIDUALS: PROS* WORKS}{Deposit:: 1942 GEOLMAP L. S. GARDNER: UNPUB. REPT.}{Deposit:: 1943 RECON USBM: UNPUB. MAP} |