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<br />underlain by clayey sand (SCl, si Ity sand (SMl, sand (SP or SWl and <br />clayey sandy gravel (GCl., Depths of the fjne:-grained material ,vary <br />from 5 to 13 feet. The.materials in the area would be suitable for <br />levee embankment fill. <br /> <br />19. FISHING LAKE.-:- A small lake with a surface area of 21'.6 <br />acres could be created north of the city on a tract of land adjacent <br />to and south of the Arkansas River and east of U.S. Highway 50. The <br />city owns the land and is planning the development of a city park. <br />The lake would consist of two lobes with an interconnecting channel <br />having an overal I length of 2,200 feet. The large water area on each <br />end would have a maximum top width of 592 feet, a maximum depth of 13 <br />feet, and a maX'imum bottom width of 214 feet. The two large areas <br />would be connected by a channel section with a maximum top width of <br />192 feet, a maximum depth of I I feet, and a minimum bottom width of <br />20 feet. It is estimated that the average depth to ground water in <br />this area is 5 feet. The end areas would have side slopes of I on I <br />to a water depth of 1.5 feet, I on 6 to a water depth of 8 feet, and <br />I on 30 to the bottom. The channel would have side slopes of I on I <br />to a water depth of 1.5 feet, I on 4 to a water depth of 8 feet, and <br />I on 2 to the bottom of the channe I. Deta i I s of the des ign have been <br />coordinated with representatives of the Bureau of Sport Fisheries and <br />Wi Idl ife, U.S. Fish and Wi Idl ife Service, who state that the proposed <br />depths and bottom width would be adequate to provide sufficient oxygen <br />to sustain fish I ife during the winter when the surface is frozen. <br />It is estimated that approximately 325,000 cubic yards of material <br />would be excavated in forming the lake. An examination of the auger <br />logs indicates that most of this material would be suitable for use <br />in the levees. During periods when the ground water table is suf- <br />ficiently high to maintain a lake level that would provide the necessary <br />depths, supplemental water would not be needed. During drought periods <br />when ths ground water table is lower, the required level would be <br />maintained by means of an inlet canal, approximately 1,250 feet long, <br />leading from an irrigation ditch trom which the city has a water right. <br />Immediately after completion, .there would be some seepage from the lake, <br />so additional water would be required; however, the si It normally <br />carried by the irrigation ditch would provide an effective seal in a <br />relatively short time. An outlet to the interior drain ditch would be <br />provided to lower the water surface if necessary for fish operation. <br />Detai Is of the construction are showri on plate 5. <br /> <br />,",; <br /> <br />20. RIGHTS-QF-WAY.- About 86 acres of irrioated land and 40 acres <br />~ <br />of grazrng land would be acquired in fee for construction of the right <br />and left bank levees, the right bank drain ditch, and relocation of the <br />county road. An easement would be obtained on 55 acres of grazing and <br />wasteland on the riverside of the levee for borrow areas. Flowage <br />easements would be acquired on 20 acres of grazing land for the ponding <br />area in the vicinity of Structure No.4, and 60 acres of grazing land <br />at the lower end of the levee opposite Structure No.7. <br /> <br />A-6 <br /> <br />R 1/28/64 <br />