Small-scale placer-mining methods

Author:	Jackson, Charles Freeman,
Additional Authors:	Knaebel, John Ballantine,
Year:	1932
Document Type:	MAIN
Issuing Agency:	Dept. of Commerce :
SUDOC:	C 22.11:6611
Series:	Information circular (United States. Bureau of Mines),
Report Number:	6611
Subjects:	Gold mines and mining
	Placer deposits
Link:	https://hdl.handle.net/2027/mdp.39015095086016