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; / , 0052 Modification of John Martin outlet works In order to provide for a simple and acceptable means of discharging river inflows from the permanent fish pool at John Martin Reservoir, at such times as the reservoir would be at this minimum elevation, some mod- ification of the existing outlet structure woUld be necessary to provide for automatic operation. An allowance of ~)20,000 is made in the total cost estimate to provide for this modification and has been included in the cost of the Granada Reservoir. Total project cost The following tabulation summarizes the project cost based oh July 1953 prices and as corrected to conform to the projected price index of l80 (l939 . 100)~ Feature Construction Costs Projected price . ind8x April 1953 Arkansas Diversion Dam . , . $ 406;000 Diversion Canal. . , . . .. .l22jOOO Granada Reservoir. . . . . . ii>, 168. 000 -'~ Total. . . . . . . . . "$7,296,000 $5,326,000 *Cost includes ~20,000 for modification of John Martin Outlet. (i-ell, 11 '% ?<.A., t q If" 'I> The annual operation, maintenance and replacement costs of the Granada Project have been estimated to be ~)5,400. This cost is distri- buted as follows: $ 296,000 89,000 4, 94l,000 Feature Annual. O.lIi.&R. Arkansas Diversion Dam. . . . . . .~p2, 960 Diversion canal. . . . , . . , ., 890 Granada Reservoir · · . . · · . ..". g,t5g Total. . . . . . . . . . . .' .~~ , 0 WATER SUPPLY Source of water Water 1'01' the potential Granada Reservoir Project would be obtained from the outflow of the Arkansas River at the 6010rado-Kansas State line surplus to the requirements of the water usors in Kansas above Garden City. These surplus flows would consist principally of winter roturn flows and flood flows originating between John Martin Reservoir and the -3-