USGS 1955 PARK CITY EAST 7-5 TOPOGRAPHIC MAPBOUTWELL JM 1912 GEOLOGY AND ORE DEPOSITS OF PARK CITYDISTRICT UTAH USGS PROF PAPER 77 P 1 230BULLOCK KC 1966 MINERALS OF UTAH UTAH GEOLOGY AND MINERALSURVEY BULL 76 P 35SYLVIA GN 1970 A DIRECTORY OF THE MINING INDUSTRY OF UTAH1967 UTAH GEOL AND MINERAL SURVEY BULL 84 P 31