| Reference | {Deposit:: DESBOROUGH, G.A., AND OTHERS, 1970, PLACER GOLD OF UNIQUE FINENESS IN DOUGLAS AND ELBERT COUNTIES, COLORADO: USGS PROF. PAPER 700-D, P. D134-D139.}{Deposit:: TRIMBLE, D.E., AND MACHETTE, M.N., 1979, GEOLOGIC MAP OF THE COLORADO SPRINGS-CASTLE ROCK AREA, FRONT RANGE URBAN CORRIDOR, COLORADO: USGS MAP 1-857-F.} |