01063cam a22002891 4500 gs 53000207 DLC 20260227111400.0 731113s1953 xx 000 0 eng gs 53000207 (OCoLC)740151 DLC OAU DLC premarc QE169 .A3 no. 44 Proctor, Paul Dean, 1918- Geology of the Silver Reef (Harrisburg) mining district, Washington County, Utah. Salt Lake City, 1953. x, 169 p. illus., maps, diagrs., plans, tables. 23 cm. Utah. Geological and Mineralogical Survey. Bulletin 44. Bibliography: p. 158-163. Geology Utah Washington County. Petrology Utah Washington County. Silver mines and mining Utah Washington County. Geology, Stratigraphic Triassic. Mines and mineral resources Utah Washington County. Silver Reef (Harrisburg) mining district, Washington County, Utah. 28759 28759