Carbonizing properties and constitution of Black creek bed coal from Empire mine, Walker county, Ala.
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Main Authors: | , , , , , |
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Corporate Authors: | , |
Other Authors: | , |
Other title: | Black creek coal, Empire mine, Ala. |
Format: | Government Document Book |
Language: | English |
Published: |
Washington :
U.S. Govt. Print. Off,
1932.
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Series: | Technical paper (United States. Bureau of Mines) ;
531. |
Subjects: |