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Competitive conditions in the international coal trade
Coal, petroleum, natural gas and electricity in the United States, 1929-40
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Published Year
1930-1939 (1)
1940-1949 (1)
Subject
Coal mines and mining (1)
Coal--United States--Statistics (1)
Electric power--United States--Statistics (1)
Petroleum industry and trade--United States--Statistics (1)
Power resources--United States--Statistics (1)
Author
Bradley, John R. (2) *