. Principles of irrigation engineering, arid lands, water supply, storage works, dams, canals, water rights and products. Fig. B.—Enlarging canal by use of excavator with drag-line working from one side of canal. Salt River Project, Ariz. (Facing Page 54) Plate TV. Fig. C.—Lining canal with concrete to increase the capacity, and reduce theseepage. Boise Project, Idaho.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectirrigat, bookyear1913