How to mine and prospect for placer gold
By: by J. M. West.
Series: Bureau of Mines information circular 8517; Information circular (United States. Bureau of Mines) ;; 8517.
Publisher: U.S. Bureau of Mines; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1971
Place of publication: [Washington]
Language: eng
Number of pages: 42
Subjects: Gold mines and mining.; Placer mining.; Prospecting.
Notes: Bibliography: p. 41-[43]