01097nam1 2200313 450 99000978368040332120131105095934.0000978368FED01000978368(Aleph)000978368FED0100097836820131105g19381950km-y0itay50------baengUS--------001yyBoulder canyon projectfinal reportsUnited States. Department of the Interior. Bureau of reclamationDenver[Department of Interior]1938-1950v.23 cm0019900097837604033212001 <<2.: >>Boulder dam0019900097838204033212001 <<3.: >>Geological investigations0019900097838404033212001 <<4.: >>Stess studies for boulder damIngegneria idraulicaDigheUnited States of America.Department of the Interior.Bureau of Reclamation520565ITUNINARICAUNIMARCBK990009783680403321DINGEBoulder canyon project832847UNINA