High Quality Content by WIKIPEDIA articles! The Canning Contour Channel is a 16 kilometres (9.9 mi) series of made-made concrete channels and steel and cast iron pipelines in the Darling Scarp in Western Australia constructed between July 1935 and December 1936. The project was a Depression era public works scheme to carry potable water from just below Canning Dam through the hills around and above Roleystone and Kelmscott to a screening, flouridation and pumping station near Gosnells by following the natural contours of the Canning Valley—hence it was entirely gravity fed. Where a tributary valley needed to be crossed, suspended or siphoning pipelines were used. From Gosnells the water entered the city's pipeline distribution system. Данное издание представляет собой компиляцию сведений, находящихся в свободном доступе в среде Интернет в целом, и в информационном сетевом ресурсе "Википедия" в частности. Собранная по частотным запросам указанной тематики, данная компиляция построена...

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