Reference | {Deposit:: TWETO, OGDEN, DAND OTHERS, 1976, PRELIMINARY GEOLOGIC MAP OF THE MONTROSE 1 X 2 QUADRANGLE, SOUTHWESTERN COLORADO: USGS MAP MF-761}{Deposit:: LARSEN, E.S., JR., AND CROSS, WHITMAN, 1956, GEOLOGY AND PETROLOGY OF THE SAN JUAN REGION, SOUTHWESTERN COLORADO: USGS PROF. PAPER 258.}{Deposit:: BLM MINERAL SURVEY 14719} |