AZ vs. CA:04 California Exhibits, Vol. IV; Nos. 151-192

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bor, canal, lake, harbor of refuge, or inclosure within the limits of any breakwater, or of the channel of any navigable water of the United States, unless the work has been recommended by the Chief of Engineers and authorized by the Secretary of War prior to beginning the same; And whereas, Application has been made to the Secretary of War by the imperial irrigation district, of California, for authority to repair and rebuild its temporary diversion dam or weir (originally constructed under authority of War Department permit dated February 14, 1917), located in the Colorado River at or near Hanlon's Heading, and to maintain said structure until. July 1, 1927, according to plans hereto attached; Now therefore, This is to certify that the said plans and work are recommended by the Chief of Engineers and are authorized by the Secretary of War under the provisions of the aforesaid statute, upon the following conditions: 1. That the work shall be subject to the supervision and approval of the District Engineer, Engineer Department at Large, in charge of the locality, who may temporarily suspend the work at any time, if, in his judgment, the interests of navigation so require. 2. That any material dredged in the prosecution of the work herein authorized shall be removed evenly, and no large refuse piles, ridges across the bed of the waterway or deep holes that may have a tendency to cause injury to navigable channels or to the banks of the waterway shall be left. If any pipe, wire, or cable hereby authorized is laid in a trench, the formation of permanent ridges across the bed of the waterway shall be avoided and the back filling shall be so done as not to increase the cost of