Competitive conditions in the international coal trade

Author: Bradley, John R.
Year: 1936
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:6916
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 6916
Subject: Coal mines and mining
Link: https://hdl.handle.net/2027/mdp.39015077568973

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