| 000 | 00923n a2200265 4500 | ||
|---|---|---|---|
| 001 | 00950890 | ||
| 003 | PWmBRO | ||
| 005 | 20240602102306.0 | ||
| 008 | 910725s1990 dcu b f00010 eng | ||
| 010 | _a 90002478 | ||
| 069 | _a 91035181 | ||
| 090 | 0 | 0 |
_aVF _b622.33/40974/M468p |
| 100 | 1 | 0 | _aMayercheck, William D. |
| 245 | 1 | 0 |
_aPreliminary analysis of methodologies for mining thin-seam mountaintop coal resources / _cby William D. Mayercheck, Jasinder S. Jaspal, and Richard B. Farrar. |
| 260 | 0 |
_aWashington, DC : _bBureau of Mines, _c1990. |
|
| 300 | _aii, 41 p. | ||
| 490 | 1 | _aInformation circular / Bureau of Mines | |
| 650 | 0 |
_aCoal mines and mining _zAppalachian Region. |
|
| 700 | 1 | 0 | _aJaspal, Jasinder S. |
| 700 | 1 | 0 | _aFarrar, Richard B. |
| 740 | 0 | 1 | _aThin-seam mountaintop coal resources. |
| 830 | 0 | _aInformation circular (United States. Bureau of Mines) | |
| 942 | _2ddc | ||
| 994 | 0 | 1 | _a080716 |
| 999 |
_c56773 _d56773 |
||