Oil shale in Spain / by H.M. Thorne and A.J. Kraemer.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, DC :
U.S. Dept. of the Interior, Bureau of Mines,
1950.
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| Series: | Report of investigations (United States. Bureau of Mines) ;
4736. |
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| Physical Description: | 21 pages : illustrations ; 28 cm. |
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