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041 _aspa
082 _a553.28
100 _aS, A A
245 0 _a1949 BULLETIN
250 _a1A ED.
260 _aCHARLESTON
260 _aEstados Unidos
_bAPPALACHIAN GEOLOGICAL SOCIETY
_c1950
300 _a551
710 _aAPPALACHIAN GEOLOGICAL SOCIETY
942 _c01
010 _a6941
999 _c197597
_d197597