000 | 00741nam a2200217Ia 4500 | ||
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008 | 170503s9999||||xx |||||||||||||| ||und|| | ||
080 | _a551.736(798) | ||
245 | 0 |
_aProbable permian age of the Rampart Group, Central Alaska / _cBy W.P. Brosgé ... [et al.]. |
|
260 |
_aWashington : _bUnited States Government Printing Office, _c1969 |
||
300 | _a18 p. -- | ||
336 |
_2isbdcontent _aTexto (visual) |
||
337 |
_2isbdmedia _3Impreso _asin mediación |
||
490 | _aGeological Survey Bulletin | ||
490 | _v 1294-B | ||
500 | _aFecha real de registro 05-02-1970 | ||
650 | _aEstratigrafía | ||
650 | _aPérmico - Alaska | ||
942 | _2cdu | ||
942 | _cBK | ||
999 |
_c24135 _d24135 |