| 000 | 00937n a2200265 4500 | ||
|---|---|---|---|
| 001 | 00945749 | ||
| 003 | PWmBRO | ||
| 005 | 20240602102338.0 | ||
| 008 | 910918s1979 dcua b f00010 eng | ||
| 010 | _a 79018531 | ||
| 069 | _a 91055104 | ||
| 090 | 0 |
_aVF _b622.2/6/T163d |
|
| 100 | 1 | 0 | _aTandanand, Sathit. |
| 245 | 1 | 0 |
_aDevelopment of a mechanical roof breaker for ground control in longwall operations under massive roof / _cby Sathit Tandanand. |
| 260 | 0 |
_aWashington : _bU.S. Dept. of the Interior, Bureau of Mines, _c1979. |
|
| 300 |
_a20 p. : _bill. |
||
| 490 | 1 |
_aReport of investigations ; _v8416 |
|
| 650 | 0 | _aGround control (Mining) | |
| 650 | 0 | _aRock mechanics. | |
| 710 | 2 | 0 |
_aUnited States. _bBureau of Mines. |
| 810 | 2 | 0 |
_aUnited States. _bBureau of Mines. _tReport of investigations ; _v8416 |
| 830 | 0 |
_aReport of investigations (United States. Bureau of Mines) ; _v8416. |
|
| 942 | _2ddc | ||
| 994 | 0 | 1 | _a082074 |
| 999 |
_c57689 _d57689 |
||