Ore-sampling conditions in the West

Author:	Woodbridge, T. R.
Year:	1916
Document Type:	USBM
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.7:86
Series:	Technical paper / United States Department of the Interior, Bureau of Mines ;
Report Number:	86
Subjects:	Mineral industries--West (U.S.)
	Ores--Sampling--West (U.S.)--Technique
Link:	https://hdl.handle.net/2027/mdp.39015077560848