01282nam 2200361Ia 450 991069874120332120090420080827.0(CKB)5470000002396445(OCoLC)318789973(EXLCZ)99547000000239644520090420d1964 ua 0engurmn||||a||||txtrdacontentcrdamediacrrdacarrierReports and maps of the Geological Survey released only in the open files, 1963[electronic resource] /by Betsy A. Weld, Margaret S. Griffin, and George W. BrettWashington, D.C. :U.S. Dept. of the Interior, Geological Survey,[1964?]13 pages DJVU, image fileGeological Survey circular ;488Title from title screen (viewed Apr. 20, 2009).Includes index.Bibliographies.lcgftWeld Betsy A1388375Griffin Margaret S1388376Brett George W1388377Geological Survey (U.S.)GPOGPOBOOK9910698741203321Reports and maps of the Geological Survey released only in the open files, 19633509320UNINA