| 000 | 00725nam a2200217Ia 4500 | ||
|---|---|---|---|
| 008 | 170503s9999||||xx |||||||||||||| ||und|| | ||
| 080 | _a552.574(798) | ||
| 245 | 4 |
_aThe coal-bearing group in the Nenana Coal Field, Alaska / _cBy Clyde Wahrhaftig ... [et al.]. |
|
| 260 |
_aWashington : _bUnited States Government Printing Office, _c1969 |
||
| 300 | _a30 p. -- | ||
| 336 |
_2isbdcontent _aTexto (visual) |
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| 337 |
_2isbdmedia _3Impreso _asin mediación |
||
| 490 | _aGeological Survey Bulletin | ||
| 490 | _v 1274-D | ||
| 500 | _aFecha real de registro 02-06-1969 | ||
| 650 | _aAlaska | ||
| 650 | _aCarbón | ||
| 942 | _2cdu | ||
| 942 | _cBK | ||
| 999 |
_c24095 _d24095 |
||