The economics of strip coal mining

Author:	Kiessling, O. E.
Additional Authors:	Tryon, F. G., Mann, L.
Year:	1931
Document Type:	BMEP
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines :
SUDOC:	I 28.38:11
Series:	Economic paper ;
Report Number:	11
Subjects:	Coal mines and mining--United States
	Strip mining--Economic aspects
Link:	https://hdl.handle.net/2027/mdp.39015077581901