Gold placer mining
Subtitle: placer evaluation and dredge selection
By: by C. M. Romanowitz, H. J. Bennett, and W. L. Dare.
Contributors: Bennett, Harold J., joint author.; Dare, Wilbert L., joint author.
Series: United States. Bureau of Mines. Information circular ;; 8462; Information circular (United States. Bureau of Mines) ;; 8462.
Publisher: U.S. Bureau of Mines; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1970
Place of publication: [Washington]
Language: eng
Number of pages: 56
Subjects: Mine examination.; Gold dredging.
Notes: Bibliography: p. 47-54.