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Geological aspects of construction of Harold D. Roberts tunnel
Tunnel in Summit and Park Counties, Colo, is concrete lined pressure tunnel finished to cross section of 10.25-ft diam, is 23.3 mi long, and is designed to transport water for use by City and County of Denver; lithology of formations en countered, ranging in age from Permian to Upper Cretaceous; zone of Front Range mineral belt penetrated by tunnel was not commercial; tunnel supports and grouting.
Geological aspects of construction of Harold D. Roberts tunnel
Tunnel in Summit and Park Counties, Colo, is concrete lined pressure tunnel finished to cross section of 10.25-ft diam, is 23.3 mi long, and is designed to transport water for use by City and County of Denver; lithology of formations en countered, ranging in age from Permian to Upper Cretaceous; zone of Front Range mineral belt penetrated by tunnel was not commercial; tunnel supports and grouting.
Geological aspects of construction of Harold D. Roberts tunnel
Soc Min Engrs -- Trans
Wahlstrom, E.E. (author)
1962
13 pages
Article (Journal)
English
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