Deep-well pumps and shaft pumps in anthracite mines of Pennsylvania

Author:	Lesser, William H.
Year:	1950
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:4656
Series:	Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number:	4656
Subjects:	Anthracite coal industry--Pennsylvania--Equipment and supplies
	Coal mines and mining--Pennsylvania--Equipment and supplies
	Mine pumps--Pennsylvania
Link:	https://hdl.handle.net/2027/mdp.39015078486928