| 000 | 01116cam a2200277 a 4500 | ||
|---|---|---|---|
| 999 |
_c804 _d804 |
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| 001 | 3941307 | ||
| 003 | Biblioteca de INTEMIN | ||
| 005 | 20180427194247.0 | ||
| 008 | 930427s1993 dcua b f000 0 eng | ||
| 010 | _a 93011140 | ||
| 040 |
_aDLC _cDLC _dDLC |
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| 050 | 0 | 0 |
_aTN295 _b.U4 no. 9360 _aTN288 |
| 082 | 0 | 0 |
_a622 s _a622/.334 _220 |
| 100 | 1 |
_aChekan, G. J. _q(Gregory J.) _92301 |
|
| 245 | 1 | 0 |
_aDesign practices for multiple-seam longwall mines / _cby Gregory J. Chekan and Jeffrey M. Listak. |
| 260 |
_aWashington, D.C. : _bU.S. Dept. of the Interior, Bureau of Mines, _c1993. |
||
| 300 |
_aii, 35 p. : _bill. ; _c28 cm. |
||
| 490 | 1 |
_aInformation circular ; _v9360 |
|
| 504 | _aIncludes bibliographical references (p. 34-35). | ||
| 650 | 0 |
_aGround control (Mining) _9737 |
|
| 650 | 0 |
_aLongwall mining. _92355 |
|
| 700 | 1 |
_aListak, Jeffrey M. _92307 |
|
| 830 | 0 |
_aInformation circular (United States. Bureau of Mines) ; _v9360. _9794 |
|
| 906 |
_a7 _bcbc _corignew _d1 _eocip _f19 _gy-gencatlg |
||
| 942 |
_2udc _cCR |
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