scholarly journals Economics of large-scale surface coal mining using simulation modes: Contour Stripping with Draglines Using Appalachia-Ohio Region Test Case (Final report, Volume 6)

1977 ◽  
Author(s):  
None None



1983 ◽  
Vol 12 (3) ◽  
pp. 351-358 ◽  
Author(s):  
W. A. Dick ◽  
J. V. Bonta ◽  
F. Haghiri ◽  
J. R. Page


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