| 000 | 00724nam a2200193 4500 | ||
|---|---|---|---|
| 001 | 00474606 | ||
| 003 | PWmBRO | ||
| 005 | 20240602103746.0 | ||
| 008 | 950524s1993 dcua f 10 010 eng | ||
| 245 | 0 | 2 | _aA cost comparison of selected coal mines from Australia, Canada, Colombia, South Africa, and the United States. |
| 260 | 0 |
_a[Washington, D.C.] : _bUnited States Dept. of the Interior, Bureau of Mines, _c1993. |
|
| 300 |
_avi, 65 p. : _bill. |
||
| 440 | _aSpecial publications. | ||
| 650 | 0 |
_aCoal trade _xCosts _xCase studies. |
|
| 650 | 0 |
_aCoal mines and mining _xCosts _xCase studies. |
|
| 710 | 2 | 0 |
_aUnited States. _bBureau of Mines. |
| 830 | 0 | _aSpecial publication (United States. Bureau of Mines). | |
| 942 | _2ddc | ||
| 999 |
_c80491 _d80491 |
||