Geology of the Healdsburg quadrangle, California
By: by William Kelso Gealey [and] Mineralogy of the California glaucophane schists, by George Switzer.
Contributors: Switzer, George, 1915-; California. Division of Mines.
Series: California.  Dept. of Natural Resources.  Division of Mines.  Bulletin 161; Bulletin (California. Division of Mines) ;; no. 161.
Published: 1951
Place of publication: San Francisco
Language: eng
Number of pages: 76
Subjects: Geology -- California -- Sonoma County; Mineralogy -- California -- Sonoma County; Schists
Other titles: Mineralogy of the California glaucophane schists.
Notes: "References": p. 48-50.
Part of illustrative matter in pocket.