Gold quartz veins of the Alleghany district, California - Ferguson, Henry G. (Henry Gardiner), 1882-; Gannett, Roger W., 1896-1925 (Washington, U.S. Govt. Print. Off., 1932)
At head of title: United States Department of the Interior.
Bibliographical foot-notes.
Keywords: Gold mines and mining -- California -- Alleghany district