01336cam a22003371 4500 gs 52000202 DLC 20260227111359.0 760303s1951 cauaf b s001 0 eng gs 52000202 (OCoLC)2026688 DLC NSbSU NSbSU WaChenE OCoLC DLC n-us-ca TN24.C2 A3 no. 161 QE90.S6 G4 557.94 Gealey, William Kelso, 1918-1993. Geology of the Healdsburg quadrangle, California, by William Kelso Gealey [and] Mineralogy of the California glaucophane schists, by George Switzer. San Francisco, 1951. 76 p. illus., maps (1 fold. col.) 24 cm. California. Dept. of Natural Resources. Division of Mines. Bulletin 161 Part of illustrative matter in pocket. "References": p. 48-50. Geology California Sonoma County. Mineralogy California Sonoma County. Schists. Switzer, George S. (George Shirley), 1915-2008. Mineralogy of the California glaucophane schists. California. Division of Mines. Mineralogy of the California glaucophane schists. Bulletin (California. Division of Mines) ; no. 161. 28657 28657