Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Constructing zion park highway tunnel
Twenty-six miles of road, being built by Bureau of Public Roads and State of Utah, includes several tunnels, one, over mile long, paralleling vertical face of canyon wall; power-house compressor station, air shovels, reverse-feed stopers and other equipment used in tunnel construction.
Constructing zion park highway tunnel
Twenty-six miles of road, being built by Bureau of Public Roads and State of Utah, includes several tunnels, one, over mile long, paralleling vertical face of canyon wall; power-house compressor station, air shovels, reverse-feed stopers and other equipment used in tunnel construction.
Constructing zion park highway tunnel
Pub. Works
Public Works ; 60
1929
3 pages
5 Figs.
Aufsatz (Zeitschrift)
Englisch
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Mount carmel-zion national park highway
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| Engineering Index Backfile | 1929
Utah. Tunneling for Zion park scenic highway
| Engineering Index Backfile | 1928