| 000 | 01111pam a2200289 a 4500 | ||
|---|---|---|---|
| 999 |
_c1153 _d1153 |
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| 001 | 528651 | ||
| 003 | Biblioteca del INTEMIN | ||
| 005 | 20180503164806.0 | ||
| 008 | 860220s1986 paua b f000 0 eng | ||
| 010 | _a 86600038 | ||
| 040 |
_aDLC _cDLC _dDLC |
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| 050 | 0 | 0 |
_aTN23 _b.U43 no. 9026 _aTN295 |
| 082 | 0 | 0 |
_a622 s _a622/.8 _219 |
| 086 | 0 | _aI 28.23:9026. | |
| 100 | 1 |
_aKopp, John W. _93572 |
|
| 245 | 1 | 0 |
_aEffects of millisecond-delay intervals on vibration and airblast from surface coal mine blasting / _cby John W. Kopp and David E. Siskind. |
| 260 |
_aPittsburgh, Pa. : _bU.S. Dept. of the Interior, Bureau of Mines, _c1986. |
||
| 300 |
_a44 p. : _bill. ; _c29 cm. |
||
| 490 | 1 |
_aReport of investigations ; _v9026 |
|
| 504 | _aBibliography: p. 33-34. | ||
| 650 | 0 |
_aCoal mines and mining _xSafety measures. _9692 |
|
| 650 | 0 |
_aStrip mining _xSafety measures. _93573 |
|
| 650 | 0 |
_aBlast effect. _91400 |
|
| 700 | 1 |
_aSiskind, D. E. _91105 |
|
| 830 | 0 |
_aReport of investigations (United States. Bureau of Mines) ; _v9026. _9793 |
|
| 906 |
_a7 _bcbc _corignew _d1 _encip _f19 _gy-gencatlg |
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| 942 |
_2udc _cBK |
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