Geology of the Healdsburg quadrangle, California,
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 . - Bulletin (California. Division of Mines) ; no. 161. .
Part of illustrative matter in pocket.
"References": p. 48-50.
gs 52000202
Geology--California--Sonoma County.
Mineralogy--California--Sonoma County.
Schists.
TN24.C2 / A3 no. 161
557.94
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 . - Bulletin (California. Division of Mines) ; no. 161. .
Part of illustrative matter in pocket.
"References": p. 48-50.
gs 52000202
Geology--California--Sonoma County.
Mineralogy--California--Sonoma County.
Schists.
TN24.C2 / A3 no. 161
557.94