| 000 | 00394pam a2200133a 44500 | ||
|---|---|---|---|
| 082 |
_aUSBM _bRI-7692 |
||
| 100 | _a | ||
| 245 | 1 | _aPERCUSSIVE DRILLING WITH INDEPENDENT ROTATION | |
| 260 |
_a _bU. S. Dept. Of The Interior, Bureau Of Mines, [S. L.] _c1972 |
||
| 300 | _a21 | ||
| 500 | _aBound With Usbm Ri-7679-7690,7693-7698,Lack No. 7686-87,89,91,97 | ||
| 964 | _gCIRC | ||
| 997 | _aTR14584 C | ||
| 999 |
_c400219 _d400219 |
||