000 00824nam a2200241Ia 4500
999 _c21554
_d21554
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040 _aAranzadi Liburutegia
080 _a55(73)
100 1 _aWitt, Wallace de
_91419969
_e1920-2012
245 1 0 _aBedrock geology of the evitts creek and Pattersons creek Quadrangles, Maryland, Pennsylvania, and West Virginia /
_cby Wallace de Witt and George W. Colton.
260 _aWashington :
_bUnited States Government Printing Office,
_c1964
300 _a90 p. + map. --
336 _2isbdcontent
_aTexto (visual)
337 _2isbdmedia
_3Impreso
_asin mediación
490 _aGeological Survey Bulletin
490 _v1173
650 _aGeología
_9228
650 _aMaryland
_91418462
650 _aPennsylvania
_91418620
650 _aVirginia
_91418463
700 1 _9846331
_aColton, George W.
942 _2cdu
942 _cBK
_2cdu