Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method used in surveying in vicinity of Hoover Dam site; phototopographical surveys; making maps; canyon-wall surveys.
Method used in surveying in vicinity of Hoover Dam site; phototopographical surveys; making maps; canyon-wall surveys.
Surveying in black Canyon
Reclamation Era
Nelson, W.R. (Autor:in)
Reclamation Era ; 23
1932
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1965
Preparing black canyon for Boulder dam
Engineering Index Backfile | 1933
How Boulder Canyon Dam Ended Up in Black Canyon as Hoover Dam
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Automatic spillway gates of black canyon dam
| Engineering Index Backfile | 1925