Anthracite mechanical mining investigations.

Author:	Buch, John W.
Additional Authors:	Allan, Andrew., Davies, Russell S.
Year:	1951
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:4798
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	4798
Subjects:	Coal-mining machinery
	Anthracite coal industry--Equipment and supplies
	Mining machinery--Cutter bars--Testing
Link:	https://hdl.handle.net/2027/mdp.39015078478925