Basic estimated capital investment and operating costs for underground bituminous coal mines developed for longwall mining /

Bibliographic Details
Main Authors: Duda, John R., Hemingway, E. L. (Author)
Corporate Author: United States. Bureau of Mines
Format: Government Document Book
Language:English
Series:Information circular (United States. Bureau of Mines) ; 8715.
Subjects:

Evans: US Documents (Annex 5th floor)

Holdings details from Evans: US Documents (Annex 5th floor)
Call Number: I 28.27:8714-8723
 
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I 28.27:8714-8723 8714-8723 Available