| 000 | 00312pam a2200097a 44500 | ||
|---|---|---|---|
| 082 |
_aTR _bRI-9198 |
||
| 100 | _aJ. S. Walker | ||
| 245 | 1 | _aCase study of the effects of longwall mining induced subsidence on shallow ground water sources in the northern appalachian coalfield | |
| 260 |
_a _b _c |
||
| 997 | _aTR1142 C | ||
| 999 |
_c404730 _d404730 |
||