Coal : a complex natural resource ; an overview of factors affecting coal quality and use in the United States / by Stanley P- Schweinfurth
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| Superior document: | US Geological Survey circular 1143 |
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| VerfasserIn: | |
| Place / Publishing House: | Washington : United States Government Print. Office, 2003 |
| Дата издания: | 2003 |
| Язык: | English |
| Серии: | US Geological Survey circular
1143 |
| Объем: | VI, 39 S.; Ill., graph. Darst., Kt. |
| Метки: |
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| ISBN: | 0607934476 |
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| ac_no: | AC03898783 |
| Hierarchical level: | Monograph |
| Statement of Responsibility: | by Stanley P- Schweinfurth |