Reference | {Deposit:: SPURR, J.E., 1898, GEOLOGY OF THE ASPEN DISTRICT, COLORADO: USGS MON. 31, P. 153-155, PL. 40.}{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:: HEYL, A.V., 1964, OXIDIZED ZINC DEPOSITS OF THE UNITED STATES. PART 3--COLORADO: USGS BULL. 1135-C, P. 61 &&}{Deposit:: BLM MINERAL SURVEYS (INCOMPLETE LIST) MS 1402, 1721, 1722, 1741, 1742, 3620, 3643, 3650, 3653, 3663, 3700, 3779, 4088, 4089, 4090, 4265, 4275, 4678, 5613, 6868}{Production:: HEYL (1964), AS COMPILED FROM PRIVATE PROPERTY OWNERS RECORDS} |