Gold placer mining;
placer evaluation and dredge selection /
by C.M. Romanowitz, H.J. Bennett, and W.L. Dare.

Description

Main Author: Romanowitz, C. M.
Related Names: Dare, Wilbert L., author.
Bennett, Harold J., author.
Language(s): English
Published: [Washington] : U.S. Bureau of Mines; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], [1970]
Subjects: Gold dredging.
Mine examination.
Physical Description: ii, 56 p. : illus. ; 26 cm.
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