| 000 | 00454pam a2200157a 44500 | ||
|---|---|---|---|
| 082 |
_aTR _bIC-7698 |
||
| 100 | _aStahl,R. W. | ||
| 245 | 1 | _aMINING WITH A DISCO CONTINUOUS MINER ON A LONGWALL FACE | |
| 260 |
_a _bU.S. Dept. Of The Interior, Washington _c1954 |
||
| 300 | _a11 | ||
| 440 |
_aBureau Of Mines Information Circular _vIc-7698 |
||
| 500 | _aBound With: Usbm Ic-No.7694-7699 | ||
| 700 | _aDowd,J. J. | ||
| 964 | _gCIRC | ||
| 997 | _aTR5297 C | ||
| 999 |
_c392812 _d392812 |
||