Mining statutes of the state of Pennsylvania(summarized)

Author:	Huff, J. A.
Year:	1932
Document Type:	USBI
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.11:6653
Series:	Information circular / Bureau of Mines ;
Report Number:	6653
Subjects:	Anthracite coal--Pennsylvania
	Mining law--Pennsylvania
	Bituminous coal--Pennsylvania
	Coal mines and mining--Pennsylvania
Link:	https://hdl.handle.net/2027/mdp.39015086485722