Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Progress report; more than 3 mi of main tunnel driven to Oct 15; first of 29 tunnels in transmission system holed through Oct 3; construction equipment and supplies.
Progress report; more than 3 mi of main tunnel driven to Oct 15; first of 29 tunnels in transmission system holed through Oct 3; construction equipment and supplies.
Colorado river aqueduct tunnel progress
Western Construction News Highways Bldr
Darwin, A.G. (Autor:in)
1933
6 pages
Aufsatz (Zeitschrift)
Englisch
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Tunnel progress on Colorado River aqueduct
Engineering Index Backfile | 1934
Tunnel construction -- Colorado River aqueduct
| Engineering Index Backfile | 1934
Colorado river aqueduct makes rapid progress
Engineering Index Backfile | 1935
Engineering Index Backfile | 1941
| Engineering Index Backfile | 1931