| Reference | {Deposit:: BASTIN, E.S., 1924, OBSERVATIONS ON THE RICH SILVER ORES OF ASPEN, COLORADO: USGS BULL. 750, P. 41-62.}{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:: BRYANT, BRUCE, 1971, GEOLOGIC MAP OF THE ASPEN QUADRANGLE, PITKIN COUNTY, COLORADO: USGS MAP GQ-933.}{Deposit:: BRYANT, BRUCE 1977, MINING AT ASPEN, IN VEAL, H.K., ED., EXPLORATION FRONTIERS OF THE CENTRAL AND SOUTHERN ROCKIES: RMAG SYMP. GUIDEBOOK, P. 451-456. & &}{Deposit:: BRYANT, BRUCE 1979, GEOLOGY OF THE ASPEN 15-MINUTE QUADRANGLE, PITKIN AND GUNNISON COUNTIES, COLORADO: USGS PROF. PAPER 1073, 146 P. & &}{Deposit:: BRYANT, BRUCE, AND FREEMAN, V.L., 1977, GEOLOGIC SUMMARY OF THE ASOEN AREA, SOUTHERN ROCKY MOUNTAINS, COLORADO, IN VEAL, H.K., ED., EXPLORATION FRONTIERS OF THE CENTRAL AND SOUTHERN ROCKIES: RMAG SYMP. GUIDEBOOK, P. 441-449. &&}{Deposit:: DEVOTO, R.H., AND MASLYN, R.M., 1977, SEDIMENTOLOGY AND DIAGENESIS OF THE LEADVILLE FORMATION AND CONTROLS OF LEAD-ZINC-SILVER DEPOSITS, CENTRAL COLORADO: MOUNTAIN GEOLOGIST, V. 14, NO. 1, P. 27-28. & &}{Deposit:: HENDERSON, C.W., 1926, MINING IN COLORADO, A HISTORY OF DISCOVERY, DEVELOPMENT, AND PRODUCTION: USGS PROF. PAPER 138, P. 197-201. &&}{Deposit:: KNOPF, ADOLPH, 1926, RECENT DEVELOPMENTS IN THE ASPEN DISTRICT, COLORADO: USGS BULL. 785, P. 1-28. & &}{Deposit:: SPURR, J.E., 1898, GEOLOGY OF THE ASPEN MINING DISTRICT, COLORADO: USGS MON. 260 P.}{Production:: VANDERWILT, J.W., 1947, MINERAL RESOURCES OF COLORADO: FIGS. FOR 1932-45; USBM MINERALS YEARBOOKS FOR REMAINING YEARS} |