United States coals in world markets

Author: Markon, George.
Year: 1968
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:8380
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 8380
Subject: Coal trade--United States
Link: https://hdl.handle.net/2027/mdp.39015078516534

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