Elementary methods of placer mining
By: by W.W. Staley
Edition: 8th ed.
Series: Idaho. Bureau of Mines and Geology. Pamphlet -- no. 35; Pamphlet (Idaho Bureau of Mines and Geology) -- no. 35
Publisher: University of Idaho
Published: 1933
Place of publication: Moscow
Language: eng
Number of pages: 23
Subjects: Gold mines and mining; Hydraulic mining
Notes: Autographed from type-written copy.

Bibliography: p. 19-20.