Reference | {Deposit:: BRYANT, BRUCE, 1972, GEOLOGIC MAP OF THE HIGHLAND PEAK QUADRANGLE, PITKIN COUNTY, COLORADO: USGS MAP GQ-932}{Deposit:: BRYANT, BRUCE, 1979, GEOLOGY OF THE ASPEN 15-MINUTE QUADRANGLE, PITKIN AND GUNNISON COUNTIES, COLORADO: USGS PROF. PAPER 1073, P. 115-120} |