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_a628 _bDOW |
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_aDown C G _9714 |
||
| 245 | _aEnvironment impact of mining | ||
| 260 |
_aLondon _bApplied science publishers ltd |
||
| 300 | _a371p. | ||
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_aMining _vWater pollution _zAir pollution _9715 |
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| 942 | _cBK | ||
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_c242412 _d242412 |
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