USGS PROF PAPER 173 P 156-157 PL 12USGS MIN RES 1921 1941 1962 1966USGS PROF PAPER 550-C P C 199UTAH GEOL AND MIN SURV BULL 79 1966 P 83UTAH GEOL AND MIN SURV BULL 84 1970YOUNG W A 1950 INVESTIGATION OF EAGLE SILVER PB-ZN MINETOOELE CO UTAH USBM REPT INVEST 4680