The gold quartz veins of Grass valley, California,
Johnston, William Drumm, 1899-
The gold quartz veins of Grass valley, California, by W. D. Johnston, Jr. - Washington, U.S. Govt. Print. Off., 1940. - vi, 101 p. incl. illus., tables. 35 pl. (part fold., incl. maps, diagrs.) 29 cm.
At head of title: United States Department of the Interior. Map and 4 colored diagrams in pocket.
Contains references.
gs 40000267
Gold mines and mining--California--Grass Valley.
TN423.C2 / J6
557.3
The gold quartz veins of Grass valley, California, by W. D. Johnston, Jr. - Washington, U.S. Govt. Print. Off., 1940. - vi, 101 p. incl. illus., tables. 35 pl. (part fold., incl. maps, diagrs.) 29 cm.
At head of title: United States Department of the Interior. Map and 4 colored diagrams in pocket.
Contains references.
gs 40000267
Gold mines and mining--California--Grass Valley.
TN423.C2 / J6
557.3