000 | nam a22 7a 4500 | ||
---|---|---|---|
999 |
_c3998 _d3998 |
||
003 | Biblioteca INTEMIN | ||
005 | 20180604180843.0 | ||
007 | ta | ||
008 | 180527b xxu||||| |||| 00| 0 eng d | ||
041 | _ainglés | ||
080 | _a55 | ||
100 |
_aMoebs, Noel N. _93547 |
||
245 |
_aGeologic and ground-control aspects of an experimental shortwall operation in the upper Ohio Valley _cMoebs, Noel N.; Curth, Ernest A. |
||
260 |
_aWashington _bBureau of mines _c1976 |
||
300 | _a30 p. | ||
440 |
_aRI 8112 _97181 |
||
650 |
_aGEOLOGIA _93338 |
||
650 |
_aGEOLOGY _92163 |
||
651 |
_aOHIO RIVER VALLEY REGION (UNITED STATES) _98241 |
||
653 | _aMINAS DE CARBON | ||
653 | _aMINERIA | ||
653 | _aGEOLOGIA MINERAL | ||
653 | _aCOAL MINES | ||
653 | _aMINING | ||
653 | _aMINING GEOLOGY | ||
700 |
_aCurth, Ernest A. _98240 |
||
942 |
_2udc _cCR |