Reference | {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 I-857-F.}{Deposit:: SCOTT, G.R., AND WOBUS, R.A., 1973, RECONNAISSANCE GEOLOGIC MAP OF COLORADO SPRINGS AND VICINITY, COLORADO: USGS MAP MF-482.}{Deposit:: COLORADO DIV. MINES INF. REPT. AND ANNUAL REPORT FOR 1919.} |