| 000 | 00820n a2200241 4500 | ||
|---|---|---|---|
| 001 | 00952435 | ||
| 003 | PWmBRO | ||
| 005 | 20240602102313.0 | ||
| 008 | 910805s1990 dcu b f00010 eng | ||
| 010 | _a 90022024 | ||
| 069 | _a 91045125 | ||
| 090 | 0 | 0 |
_aVF _b622/B575c |
| 100 | 1 | 0 | _aBhatt, Suresh K. |
| 245 | 1 | 0 |
_aCost-benefit analysis of computer-assisted mining through production and cost modeling / _cby S.K. Bhatt. |
| 260 | 0 |
_aWashington, D.C. : _bU.S. Dept. of the Interior, Bureau of Mines, _c1990. |
|
| 300 | _a41 p. | ||
| 490 | 1 |
_aInformation circular ; _v9281. |
|
| 650 | 0 |
_aMining engineering _xAutomation _xCost effectiveness. |
|
| 650 | 0 |
_aMining engineering _xCost effectiveness. |
|
| 830 | 0 |
_aInformation circular (United States. Bureau of Mines) ; _v9281. |
|
| 942 | _2ddc | ||
| 994 | 0 | 1 | _a081024 |
| 999 |
_c56988 _d56988 |
||