| 000 | 00775nam a2200229 4500 | ||
|---|---|---|---|
| 001 | 00092940 | ||
| 003 | PWmBRO | ||
| 005 | 20240602103746.0 | ||
| 008 | 940905s1993 mdu b f00010 eng | ||
| 110 | 2 | 0 |
_aUnited States. _bBureau of Mines. |
| 245 | 1 | 0 |
_aUpdate on ventilation for longwall mine dust control / _cby Robert A. Jankowski ... [et al.]. |
| 260 | 0 |
_aAvondale, Md. : _bU.S. Dept. of the Interior, Bureau of Mines, _c1993. |
|
| 300 | _a11 p. | ||
| 440 | 1 |
_aInformation circular ; _v9366 |
|
| 650 | 0 | _aMines and mineral resources. | |
| 650 | 0 |
_aLongwall mining _xDust control. |
|
| 650 | 0 | _aMine ventilation. | |
| 650 | 0 | _aMine dust. | |
| 700 | 1 | 0 | _aJankowski, Robert A. |
| 830 | 0 |
_aInformation circular (United States. Bureau of Mines) ; _v9366 |
|
| 942 | _2ddc | ||
| 999 |
_c80485 _d80485 |
||