cam a22 7 4500 344246876 CHVBK 20200423131142.0 131110s1939 coua f000 0 eng d (ALEX)9913230364101791 BAFU BAFU United States Department of the interior Bureau of reclamation (Denver, Colorado) Stress Studies for Boulder Dam boulder canyon project final reports 05 Technical Investigations United States. Department of the interior. Bureau of reclamation Denver Bureau of Reclamation 1939 VIII, 286 p. ill. 24 cm Text txt rdacontent/ger ohne Hilfsmittel zu benutzen n rdamedia/ger Band nc rdacarrier/ger Bulletin 4 s Schüttdämme alex voc21 Bulletin 4 ALEX 110 1- United States Department of the interior Bureau of reclamation (Denver, Colorado) ALEX 490 1- Bulletin 4 ALEX 830 -- Bulletin 4 SWISSBIB 344219976 BK020000 XK020000 XK020000 ALEX BIG BIG BIG BWG C/2442 Magazin1