| 000 | 00887n a2200265 4500 | ||
|---|---|---|---|
| 001 | 00949191 | ||
| 003 | PWmBRO | ||
| 005 | 20180324071614.0 | ||
| 008 | 910715s1990 dcua f00010 eng | ||
| 010 | _a 90002094 | ||
| 069 | _a 91035024 | ||
| 090 | 0 | 0 |
_aVF _b622.0/28/A546L |
| 100 | 1 | 0 | _aAnderson, Donna L. |
| 245 | 1 | 0 |
_aLaser tracking and tram control of a continuous mining machine / _cby Donna L. Anderson. |
| 260 | 0 |
_a[Washington, D.C.] : _bU.S. Dept. of the Interior, Bureau of Mines, _c[1990] |
|
| 300 |
_a13 p. : _bill. |
||
| 490 | 1 |
_aReport of investigations ; _v9319 |
|
| 650 | 0 |
_aMining machinery _xAutomatic control. |
|
| 650 | 0 |
_aMine railroads _xAutomatic control. |
|
| 650 | 0 |
_aNavigation _xData processing. |
|
| 650 | 0 | _aOptical scanners. | |
| 830 | 0 |
_aReport of investigations (United States. Bureau of Mines) ; _v9319. |
|
| 942 | _2ddc | ||
| 994 | 0 | 1 | _a080227 |
| 999 |
_c62429 _d62429 |
||