The international systems of hard-coal classification and their application to American coals

Author: Ode, W. H.
Additional Authors: Frederic, W. H.
Year: 1958
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines :
SUDOC: I 28.23:5435
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 5435
Subject: Coal--Classification
Link: https://hdl.handle.net/2027/mdp.39015078466169

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