01282nam 2200361Ia 450 991069874240332120090417141855.0(CKB)5470000002396432(OCoLC)318651361(EXLCZ)99547000000239643220090417d1966 ua 0engurmn||||a||||txtrdacontentcrdamediacrrdacarrierReports and maps of the Geological Survey released only in the open files, 1965[electronic resource] /by Betsy A. Weld, Margaret S. Griffin, and George W. BrettWashington, D.C. :U.S. Dept. of the Interior, Geological Survey,[1966?]16 pages DJVU, image fileGeological Survey circular ;518Title from title screen (viewed Apr. 17, 2009).Includes index.Bibliographies.lcgftWeld Betsy A1388375Griffin Margaret S1388376Brett George W1388377Geological Survey (U.S.)GPOGPOBOOK9910698742403321Reports and maps of the Geological Survey released only in the open files, 19653480256UNINA