 Complementing Kaufmann and True 's work , the Norwegian @-@ born , naturalized American sculptor Oskar J.W. Hansen designed many of the sculptures on and around the dam . His works include the monument of dedication plaza , a plaque to memorialize the workers killed and the bas @-@ reliefs on the elevator towers . In his words , Hansen wanted his work to express " the immutable calm of intellectual resolution , and the enormous power of trained physical strength , equally enthroned in placid triumph of scientific accomplishment " , because " [ t ] he building of Hoover Dam belongs to the sagas of the daring . " Hansen 's dedication plaza , on the Nevada abutment , contains a sculpture of two winged figures flanking a flagpole . 
 Complementing Kaufmann and True <a href='null_genetive' title='1'><mark>'s</mark></a>work , the Norwegian @-@ born , naturalized American sculptor Oskar J.W. Hansen designed many of the sculptures on and around the dam . His works include the monument of dedication plaza , a plaque to memorialize the workers killed and the bas @-@ reliefs on the elevator towers . In his words , Hansen wanted his work to express " the immutable calm of intellectual resolution , and the enormous power of trained physical strength , equally enthroned in placid triumph of scientific accomplishment " , because " [ t ] he building of Hoover Dam <a href='uninflect' title='2'><mark>belongs</mark></a> to the sagas of the daring . " Hansen <a href='null_genetive' title='3'><mark>'s</mark></a>dedication plaza , on the Nevada abutment , <a href='uninflect' title='4'><mark>contains</mark></a> a sculpture of two winged figures flanking a flagpole . 
Complementing Kaufmann and tru  wrk , the Norwegian @-@ born , naturalized American sculptor Oskar J.W. Hansen designed many of the sculptures on and around the dam . His works include the monument of dedication plaza , a plaque to memorialize the workers killed and da bas @-@ reliefs on tdaelevator towers . In his words , Hansen wanted his wwrkto express " thdammutable calm of intellectual resolution , and thedaormous power of trained physical strength , equally enthroned in placid triumph of scientific accomplishment " , because " [ t ] he building of Hoover Dam belong to the daas of the ddang . " Hansen  dedication plaza , on the Nevada abutment , contain a sculpture of two winged figures flanking a flagpole .