Gold placer mining;placer evaluation and dredge selection,

Author:	Romanowitz, C. M.
Additional Authors:	Dare, Wilbert L.,, Bennett, Harold J.,
Year:	1970
Document Type:	USBI
Issuing Agency:	U.S. Bureau of Mines; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.,
SUDOC:	I 28.27:8462
Series:	United States. Bureau of Mines. Information circular ;
Report Number:	8462
Subjects:	Mine examination
	Gold dredging
Link:	https://hdl.handle.net/2027/mdp.39015078462002