| 000 | 00550nam a2200169 4500 | ||
|---|---|---|---|
| 001 | 0000000326 | ||
| 008 | 091106 enk eng | ||
| 020 | _a0900117451 | ||
| 090 | 0 | 0 |
_a557.3 _bLAN |
| 100 | 1 | _aLane, Kenneth F. | |
| 245 | 1 | 0 |
_aThe Economic Definition of Ore _bCut-Off Grades in Theory and Practice _cKenneth F. Lane |
| 250 | _a1st ed. | ||
| 260 |
_aLondon, England _bMining Journal Books Limited _c1988 |
||
| 300 |
_ax, 149p. _bill. _c23cm |
||
| 504 | _aIncludes bibliographical references | ||
| 650 | 0 | _aEarth Sciences of North America | |
| 999 |
_c17765 _d17765 |
||