| 000 | 00851n a2200253 4500 | ||
|---|---|---|---|
| 001 | 00952265 | ||
| 003 | PWmBRO | ||
| 005 | 20240602102313.0 | ||
| 008 | 910805s1990 paua b f00000 eng | ||
| 010 | _a 90002082 | ||
| 069 | _a 91045106 | ||
| 090 | 0 | 0 |
_aVF _b622.334/M684 |
| 245 | 0 | 0 |
_aMitigating destructive longwall bumps through conventional gate entry design / _cby Alan A. Campoli ... [et al.]. |
| 260 | 0 |
_aPgh. [i.e. Pittsburgh] PA : _bUnited States Dept. of the Interior, Bureau of Mines, _c1990. |
|
| 300 |
_aii, 38 p. : _bill. |
||
| 490 | 1 |
_aReport of investigations ; _v9325 |
|
| 650 | 0 | _aMine roof control. | |
| 650 | 0 | _aRock bursts. | |
| 650 | 0 | _aLongwall mining. | |
| 700 | 1 | 0 |
_aCampoli, A. A. _q(Alan A.) |
| 830 | 0 |
_aReport of investigations (United States. Bureau of Mines) ; _v9325. |
|
| 942 | _2ddc | ||
| 994 | 0 | 1 | _a081008 |
| 999 |
_c56976 _d56976 |
||