Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Helena valley pumping plant and tunnel
Project for irrigation of 17,000 acres includes pumping plant, tunnel, canal, dam and regulating reservoir, laterals and drains; present report deals with construction of pumping plant and tunnel; pumping plant comprises 2 150-cfs pumps at 145-ft head driven by 5000-hp Francis type water turbines, with intake from Canyon Ferry reservoir through 13-ft diam penstock; 2 7-ft diam concrete lined gravity type irrigation tunnels are 65 mi long.
Helena valley pumping plant and tunnel
Project for irrigation of 17,000 acres includes pumping plant, tunnel, canal, dam and regulating reservoir, laterals and drains; present report deals with construction of pumping plant and tunnel; pumping plant comprises 2 150-cfs pumps at 145-ft head driven by 5000-hp Francis type water turbines, with intake from Canyon Ferry reservoir through 13-ft diam penstock; 2 7-ft diam concrete lined gravity type irrigation tunnels are 65 mi long.
Helena valley pumping plant and tunnel
U S Bur Reclamation -- Tech Record Design Construction
1961
163 pages
Aufsatz (Zeitschrift)
Englisch
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Radon in the Helena Valley Aquifer
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