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| 008 | 110930 | ||
| 040 | _aJMGHQ | ||
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_a622.334 _bWES |
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_aWestern world coal and ligaite mines _cMining Journal Resarch Services |
| 300 |
_aiv [248 - 255p.] _bill. _c30 cm |
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| 650 | 0 | _aCoal | |
| 650 | 0 | _aCoal mines and mining | |
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