| 000 | 00315pam a2200109a 44500 | ||
|---|---|---|---|
| 082 |
_aTR _bRI-9370 |
||
| 100 | _aPamela J. Wation | ||
| 245 | 1 | _aImproved drilling of coal measure rocks for underground mine void detection and exploration programs | |
| 260 |
_a _b _c |
||
| 700 | _aJohn E. Pohlman | ||
| 997 | _aTR6752 C | ||
| 999 |
_c405909 _d405909 |
||