Reference | {Deposit:: STEVEN, T.A., AND LIPMAN, P.W., 1973, GEOLOGIC MAP OF THE SPAR CITY QUADRANGLE, MINERAL COUNTY, COLORADO: USGS MAP GQ-1052}{Deposit:: STEVEN, T.A., 1964, GEOLOGIC SETTING OF THE SPAR CITY DISTRICT, SAN JUAN MOUNTAINS, COLORADO: USGS PROF. PAPER 475-D, P. D123-D127.}{Deposit:: COLORADO DIV. MINES INF. REPT.}{Deposit:: BLM MINERAL SURVEY MS 19538} |