Impact of changing technology on the demand for metallurgical coal and coke produced in the United States to 1985 /
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington] :
U.S. Dept. of the Interior, Bureau of Mines,
[1975]
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| Series: | Information circular (United States. Bureau of Mines) ;
8677. |
| Subjects: |
| Physical Description: | 4 unnumbered pages, 26 pages : illustrations ; 27 cm. |
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