Reference | {Deposit:: CHAPIN, C.E., 1965, GEOLOGIC AND PETROLOGIC FEATURES OF THE THIRTY NINE MILE VOLCANIC FIELD, CENTRAL COLORADO: GOLDEN, COLORADO SCHOOL OF MINES D.SC. THESIS, 176 P.}{Deposit:: EPIS, R.C., WOBUS, R.A. AND SCOTT, G.R., 1979, GEOLOGIC MAP OF THE BLACK MOUNTAIN QUADRANGLE, FREMONT AND PARK COUNTIES, COLORADO: USGS MAP I-1195, 1:62,500.} |