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RANSOME, F.L., 1911, GEOLOGY AND ORE DEPOSITS OF THE BRECKENRIDGE DISTRICT, COLORADO: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 75, 187 P.CONSV. DIV. COMP. DATE, 8,65WILSON, ANNA B., AND LAROCK, EDWARD J., 1991, ASCII DATABASE FOR PRINCIPAL LODE MINES AND MINERALIZED AREAS IN SOUTHERN SUMMIT COUNTY, COLORADO, U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 91-0027A AND B, 22 P. AND ONE DISKETTE.WILSON, ANNA B., AND LAROCK, EDWARD J., IN PRESS, MINERALIZED AREAS AND PRINCIPAL LODE MINES IN SOUTHERN SUMMIT COUNTY, COLORADO, U.S. GEOLOGICAL SURVEY MISCELLANEOUS FIELD STUDIES MAP MF-2163, SCALE 1:50,000.