Safety practices in California gold dredging
By: by S.H. Ash.
Series: Bulletin (United States. Bureau of Mines) ;; 352
Publisher: U.S. G.P.O.
Published: 1932
Place of publication: Washington
Language: eng
Number of pages: 31
Subjects: Gold dredging.; Gold mines and mining -- California.
Notes: Includes bibliographical references.
At head of title: U.S. Department of Commerce. R.P. Lamont, secretary. Bureau of Mines. Scott Turner, director.