| 000 | 00821n a2200253 4500 | ||
|---|---|---|---|
| 001 | 00951056 | ||
| 003 | PWmBRO | ||
| 005 | 20240602102306.0 | ||
| 008 | 910725s1989 pau b f00010 eng | ||
| 010 | _a 89600119 | ||
| 069 | _a 91035195 | ||
| 090 | 0 |
_aVF _b622.33/40978/H121m |
|
| 100 | 1 | 0 | _aHackett, T. D. |
| 245 | 1 | 0 |
_aMultislice mining for thick western coal seams / _cby T.D. Hackett, D.L. Boreck, and D.R. Clarke. |
| 260 | 0 |
_aPGH [i.e. Pittsburgh] Pa. : _bU.S. Dept. of the Interior, Bureau of Mines, _c1989. |
|
| 300 |
_aii, 27 p. ; _bill. |
||
| 490 | 1 | _aInformation circular | |
| 650 | 0 |
_aCoal mines and mining _zWest (U.S.) |
|
| 700 | 1 | 0 |
_aBoreck, D. L. _q(Donna L.) |
| 700 | 1 | 0 | _aClarke, D. R. |
| 830 | 0 | _aInformation circular (United States. Bureau of Mines) | |
| 942 | _2ddc | ||
| 994 | 0 | 1 | _a080712 |
| 999 |
_c56769 _d56769 |
||