OCR Text |
Show -27- Hincks, and a report containing an estimate of cost was prepared and submitted by Assistant Inspector of Irrigation, W. B. Hill, on May 1, 1911. It was found on beginning this survey that the area under consideration had been seriously encroached upon by the river since the visit of Messrs. Code and Quinton. By the levee as located at this time, it was proposed to protect 1,300 acres. Of this area, it was estimated that 300 acres could not be irrigated during low water periods by gravity, which would necessitate the installation of a small pumping plant. The estimate for the construction of the levee was $25,000.00, and for the pumping plant $8,000.00. In March of 1912, Superintendent of Irrigation, F. R. Schanck, under the direction of Acting Chief Engineer, Mr. Granville, made a preliminary investigation and report on the feasibility of irrigating the lands that had been allotted on the west side of the river, by means of a pumping plant. In the spring of 1912, two pile jetties were constructed in an effort to deflect the course of the river, which during the past two years had been seriously encroaching on the lands along its east bank. A large portion of the Cotton Land Company's levee had been swept away; but was replaced by a new levee built at a greater distance from the river. These pile jetties were made up of two rows of piles so placed as to deflect the current from threatened points. The piles used were 30 to 40 feet in length and were driven with their tops to within about 6 feet of the surface. The piles of the outside row were spaced 6 feet centers and were bolted together with longitudinal timbers, and a matting of brush and wire was placed between them. This outside row was all securely braced to the |
Source |
Original book: [State of Arizona, complainant v. State of California, Palo Verde Irrigation District, Coachella Valley County Water District, Metropolitan Water District of Southern California, City of Los Angeles, California, City of San Diego, California, and County of San Diego, California, defendants, United States of America, State of Nevada, State of New Mexico, State of Utah, interveners] : California exhibits. |