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Reports and Maps of the Geological Survey Released Only in the Open Files, 1958

Betsy A. WeldEdwin Butt EckelEmmett A. FinleyHarry George RodisKenneth Lyle WaltersLouis Wade CurrierLuna Bergere LeopoldMarvin Wilmer SkougstadNathaniel M. PerlmutterPaul McKelvey JohnstonRalph Alger BagnoldRaymond Lee NaceThomas W. RobinsonWilliam C. PetersonWilliam Perry CrossWilliam Wendell VaughnClarence Albert HorrErwin S. AsselstineRobert SchneiderHarold Phillips BrooksArthur Johnson

出版	U.S. Department of the Interior, Geological Survey, 1949
URL	http://books.google.com.hk/books?id=n0taR06P67QC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN