| 000 | 00908n a2200265 4500 | ||
|---|---|---|---|
| 001 | 00952729 | ||
| 003 | PWmBRO | ||
| 005 | 20240602101518.0 | ||
| 008 | 910807s1991 dcu b f00010 eng | ||
| 010 | _a 90022027 | ||
| 069 | _a91045154 | ||
| 090 | 0 | 0 |
_aVF _b622.8/P483s |
| 100 | 1 | 0 | _aPeters, Robert H. |
| 245 | 1 | 0 |
_aStrategies for encouraging miners to stay away from unsupported roof and perform self-protective actions / _cby Robert H. Peters. |
| 260 | 0 |
_aPittsburgh, Pa. : _bU.S. Dept. of the Interior, Bureau of Mines, _c990. |
|
| 300 |
_a29 p. : _bill. |
||
| 490 | 1 |
_aInformation circular ; _v9283. |
|
| 650 | 0 |
_aMine safety _xStudy and teaching. |
|
| 650 | 0 |
_aSelf-protective behavior _xStudy and teaching. |
|
| 650 | 0 |
_aMiners _xTraining of. |
|
| 650 | 0 | _aMine roof control. | |
| 830 | 1 |
_aInformation circular (United States. Bureau of Mines) ; _v9283. |
|
| 942 | _2ddc | ||
| 994 | 0 | 1 | _a062511 |
| 999 |
_c43789 _d43789 |
||