| 000 | 01288cam a2200325 a 4500 | ||
|---|---|---|---|
| 999 |
_c1176 _d1176 |
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| 001 | 2417630 | ||
| 003 | Biblioteca del INTEMIN | ||
| 005 | 20180503181622.0 | ||
| 008 | 860618s1986 paua b f000 0 eng | ||
| 010 | _a 86600221 | ||
| 040 |
_aDLC _cDLC _dDLC |
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| 043 | _an-us-pa | ||
| 050 | 0 | 0 |
_aTN23 _b.U43 no. 9056 _aTN319 |
| 082 | 0 | 0 |
_a622 s _a622/.8 _219 |
| 086 | 0 | _aI 28.23:9056 | |
| 100 | 1 |
_aChekan, G. J. _q(Gregory J.) _92301 |
|
| 245 | 1 | 0 |
_aStrata interactions in multiple-seam mining--two case studies in Pennsylvania / _cby Gregory J. Chekan, Rudy J. Matetic, and James A. Galek. |
| 260 |
_aPittsburgh, Pa. : _bU.S. Dept. of the Interior, Bureau of Mines, _c1986. |
||
| 300 |
_aii, 17 p. : _bill. ; _c28 cm. |
||
| 490 | 1 |
_aReport of investigations / United States Department of theInterior, Bureau of Mines ; _v9056 |
|
| 504 | _aBibliography: p. 17. | ||
| 650 | 0 |
_aMine subsidences _zPennsylvania. _93630 |
|
| 650 | 0 |
_aGround control (Mining) _9737 |
|
| 650 | 0 |
_aPillaring (Mining) _92410 |
|
| 650 | 0 |
_aCoal mines and mining _zPennsylvania. _92991 |
|
| 700 | 1 |
_aMatetic, Rudy J. _93631 |
|
| 700 | 1 |
_aGalek, James A. _93632 |
|
| 830 | 0 |
_aReport of investigations (United States. Bureau of Mines) ; _v9056. _9793 |
|
| 906 |
_a7 _bcbc _corignew _d1 _encip _f19 _gy-gencatlg |
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| 942 |
_2udc _cBK |
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