000 | 01116cam a2200265 a 4500 | ||
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999 |
_c814 _d814 |
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001 | 3940787 | ||
003 | Biblioteca de INTEMIN | ||
005 | 20180427200135.0 | ||
008 | 930621s1993 dcua b f000 0 eng | ||
010 | _a 93005540 | ||
040 |
_aDLC _cDLC _dDLC |
||
050 | 0 | 0 |
_aTN295 _b.U4 no. 9370 _aTN288 |
082 | 0 | 0 |
_a622 s _a622/.334 _220 |
100 | 2 |
_aShea-Albin, V. R. _92643 |
|
245 | 1 | 0 |
_aGeological features that contribute to ground control problems in underground coal mines / _cby Valois R. Shea-Albin. |
260 |
_aWashington, DC : _bU.S. Dept. of the Interior, Bureau of Mines, _c1993. |
||
300 |
_aii, 38 p. : _bill. ; _c28 cm. |
||
490 | 1 |
_aInformation circular ; _v9370 |
|
504 | _aIncludes bibliographical references (p. 32-34). | ||
650 | 0 |
_aGround control (Mining) _9737 |
|
650 | 0 |
_aCoal _xGeology. _92496 |
|
830 | 0 |
_aInformation circular (United States. Bureau of Mines) ; _v9370. _9794 |
|
906 |
_a7 _bcbc _corignew _d1 _eocip _f19 _gy-gencatlg |
||
942 |
_2udc _cCR |