Preparing land for irrigation and methods of applying water . lumber IS incheshigh. The timbers are held together by the extension of the steel platewith which the base is shod, and also by i by 1+ inch iron straps fromthe top of the base to a point near the top of the vertical piece. Thebase is beveled toward the front and shod with plate steel to make ittake dirt. Each end of the base exteuds 1 foot beyond the end of thevertical portion to which footboards are bolted. Outside of and belowthe footboards are the iron straps to which the teams are each footboard stands a driver of f
Preparing land for irrigation and methods of applying water . lumber IS incheshigh. The timbers are held together by the extension of the steel platewith which the base is shod, and also by i by 1+ inch iron straps fromthe top of the base to a point near the top of the vertical piece. Thebase is beveled toward the front and shod with plate steel to make ittake dirt. Each end of the base exteuds 1 foot beyond the end of thevertical portion to which footboards are bolted. Outside of and belowthe footboards are the iron straps to which the teams are each footboard stands a driver of four mules, and together theygovern the action of the planer. On approaching a small mound thedrivers stand on the forward ends of the footboards, thus depressingthe blade. As the planer moves forward a layer of earth is shaved offand gradually scattered as the weight of the driver is shifted to therear of the footboards. The teams may be readily turned and the same U. S. Dept. of Agr., Bui. 145, Office of Expt. Stations. Irrigator! Investigations. Plate Fig. 2.—Using Buck Scraper. 19 mound again approached. The manipulation is very simple, easy, andeffective. The planer is of especial value in conjunction with the rec-tangular leveler described on page 17. When the larger machine hasremoved and reduced the brush and pared down the major part of thehummocks the remaining part may be quickly removed by the this way the land can be more cheaply cleared than by the use of arailroad rail and scrapers. On the farm of W. C. Raymond, east ofImperial, the brush and hummocks were removed on 200 acres for$225, or $ per acre. The completion of the leveling with theplaner will cost $1 to $, depending on the topography, making anaverage cost of $ to $ per acre for clearing and leveling. Theplaner may also be used to advantage with scrapers. CLEARING AND LEVELING LAND IN WASHINGTON. Land in the Yakima Valle} is covered with sagebrush and is usuallyrough. (PL 1,
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