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080 _a55(786)
100 1 _aRUPPEL, Edward T.
245 0 _aGeology of the basin quadrangle Jefferson, Lewis and Clark, and Powell counties, Montana /
_cby Edward T. Ruppel.
260 _aWashington :
_bUnited States Government Printing Office,
_c1963
300 _a121 p. + map. --
336 _2isbdcontent
_aTexto (visual)
337 _2isbdmedia
_3Impreso
_asin mediación
490 _aGeological Survey Bulletin
490 _v1151
650 _aGeología
650 _aMontana
942 _2cdu
942 _cBK
999 _c21507
_d21507