Basic estimated capital investment and operating costs for coal strip mines

Author:	Katell, Sidney
Additional Authors:	Hemingway, E. L.,
Year:	1974
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:8661
Series:	Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number:	8661
Subjects:	Strip mining--Cost of operation
	Coal mines and mining--Cost of operation
Link:	https://hdl.handle.net/2027/mdp.39015078516104