Basic estimated capital investment and operating costs for coal strip mines :revision of information circular 8661

Author:	Katell, Sidney
Additional Authors:	Hemingway, E. L.,, Berkshire, L. H.,
Year:	1976
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:8703
Series:	Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number:	8703
Subjects:	Strip mining--Cost of operation
	Coal mines and mining--Cost of operation
	Bituminous coal--Estimates and costs
Link:	https://hdl.handle.net/2027/mdp.39015078516112