Boulder Canyon Project. Final Reports. Stres studies for Boulder dam - Denver ; : (s.e.), 1939 - 286 p. : ilus. - Part 5 Bull ; 4 . - Part 5 Bull ; 4 . LCCN: 21661 Subjects--Topical Terms: IngenierĂa hidrĂ¡ulica.Presas. Dewey Class. No.: 627.8 b68s