Dewatering systems for surface coal mines :final report

Additional Authors:	O'Connor, K.
Year:	1979
Document Type:	MAIN
Issuing Agency:	The Consultants,
Series:	[Open-file report] - U.S. Bureau of Mines ;
Report Number:	1980-32
Subjects:	Mine drainage
	Strip mining
Link:	https://hdl.handle.net/2027/mdp.39015095081769