00914cam a22002531 4500 gs 65000335 DLC 20260227111417.0 750401s1964 xx 000 0 eng gs 65000335 (OCoLC)1246599 DLC NOsU DLC premarc QE138.H8 W5 Willden, Charles Ronald, 1929- Geology and mineral deposits of Humboldt County, Nevada, by Ronald Willden. Reno, Mackay School of Mines, University of Nevada, 1964. x, 154 p. illus., maps., (14 fold. illus., 2 fold. col. maps) 23 cm. Nevada Bureau of Mines. Bulletin 59. Prepared cooperatively by the U. S. Geological Survey. Bibliography: p. 140-145. Geology Nevada Humboldt County. Mines and mineral resources Nevada Humboldt County. 30087 30087