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<br />. .~'~'of <br />.tui.L <br /> <br />~ <br /> <br />CHAPTER 2 <br /> <br />MAIN AQUEDUCT <br /> <br />I' <br /> <br />THE term "main aqueduct" is used to designate that portion <br />of the Colorado River aqueduct project between the Intake <br />pumping plant on Lake Havasu and the terminal storage <br />reservoir known as Lake Mathews in the Cajalco basin. The prin- <br />cipal work on this portion of the project during the fiscal year con- <br />sisted of testing, conditioning, and protecting the finished struc- <br />tures and features; pumping Colorado River water to complete the <br />filling of Lake Mathews; completion of installation of lightning <br />arresters on the 230,000 volt transmission line; purchase and par- <br />tial erection at each pumping plant and camp of a stand-by gas- <br />engine driven generator to supply power for emergency use; con- <br />structing additional cottages to provide living accommodations for <br />married employees who had been forced by lack of District quarters <br />to occupy with their families temporary shacks devoid of all con- <br />veniences; extension of the District telephone line to the water <br />softening plant at La Verne and removal of the switchboard from <br />Hayfield pumping plant to the La Verne plant; and operation of <br />the salvage yard at the Banning headquarters in conjunction with <br />the removal of heavy equipment from the San Jacinto camps and <br />clean-up of the areas subsequent to disposal of the buildings. <br /> <br />District Roads <br />The District paved roads consist 'of the river road from Earp <br />to Parker Dam and Gene camp, with its branch road to the Intake <br />pumping plant, and stub roads from county or state highways to <br />Iron Mountain, Eagle Mountain, and Hayfield plants. These roads <br />were kept in good condition by the crews of the pumping system <br />and aqueduct patrol and maintenance. <br /> <br />Tunnels, Canals, Cut-and-cover <br />Conduits, Inverted Siphons <br />The construction of all these main features was completed prior <br />to July 1, 1940, as described in the two previous reports. During <br />[15 ] <br /> <br />It <br /> <br />'" <br />I <br /> <br />, <br />l <br />