Reference | {Deposit:: SPURR, J. E., 1898, GEOLOGY OF THE ASPEN DISTRICT, COLORADO: USGS MON. 31, P. 181-185}{Deposit:: BRYANT, BRUCE, 1971, GEOLOGIC MAP OF THE ASPEN QUADRANGLE, PITKIN COUNTY, COLORADO: USGS MAP GQ-933}{Deposit:: BRYANT, BRUCE, 1972, MAP SHOWING MINES, PROSPECTS, AND AREAS OF SIGNIFICANT SILVER, LEAD, AND ZINC PRODUCTION IN THE ASPEN QUADRANGLE, PITKIN COUNTY, COLORADO: USGS MAP I-785-D}{Deposit:: BLM MINERAL SURVEYS MS 1226, 1910, 2120, 3924, 3960, 4281 AM, 4746, 5310}{Deposit:: HEYL, A. V., 1964, OXIDIZED ZINC DEPOSITS OF THE UNITED STATES, PART 3--COLORADO: USGS BULL. 1135-C, P. 26-28} |