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<br />used for hydrogen production, which literally does convert the water <br />molecule into its elements of hydrogen and oxygen, and for potable and <br />sanitary use for the plant employees. This latter is for the employees <br />while at the plant and does not include residential and municipal uses <br />for employees and their families and other associated people. <br /> <br />A comparison of unit water consumption for shale oil, coal, tar, sands, <br />etc., will be discussed as shown on slide No.3. <br /> <br />An evaluation of alternative plans has been made by Rio Blanco for the <br />purpose of determining alternative water supply systems for Tract C-a. <br />For the study, all plans were designed for a capability of supplying the <br />estimated project demand of 60,000 acre-feet of water per year. In <br />addition, detailed hydrological studies are presently under way to <br />determine the volumes of water which would be available to the various <br />plans. <br /> <br />I <br /> <br />The plans considered delivery of water from various surface water sources, <br />including points on the White River, the Colorado River, and the Yampa <br />River. Comparative costs were obtained for seven basic alternatives. <br />Variations of certain alternatives were studied to make a total of 14 <br />plans considered. Our studies show that the White River is the best <br />source of water for the Tract C-a development, because of the following <br />reasons: (1) it is the most economical source of water, (2) it is the <br />most technically feasible, and (3) it has the least environmental con- <br />sequences. <br /> <br />We have studied the possibility of an on-stream reservoir on the main <br />stem of the White River below Meeker, Colorado as a means of supplying <br />the requirements for the project. Such a facility appears to be fea- <br />sible both from an economic and a technical point of view. We have also <br />investigated an off-stream reservoir to be situated on the drainage of <br />Yellow Creek. The Yellow Creek Dam and Reservoir alternative also <br />appears to be feasible, both from an economic and a technical standpoint. <br /> <br />Slide No. 4 depicts the conceptual layout of the proposed system. <br />Although it would consume slightly more energy in pumping, the Yellow <br />Creek system would be significantly smaller in area extent than others <br />considered, and would be situated almost entirely within an area of less <br />environmental concern. This slide shows the general arrangement of the <br />Yellow C~eek Project diversion works. Initially, a filter gallery <br />structure across the White River streambed or a simple intake structure <br />might suffice. When the system reaches full development, it is antici- <br />pated that detailed engineering studies will prove full river control <br />is required to generate the 60,000 acre-foot diversion required. A low I <br />diversion dam with gates for silt control would be constructed across <br />the White River at that time to control the river. This structure would <br />be arranged to minimize ponding on the White River. Present plans are <br />for a 3,000 acre-foot pond covering about 200 acres. The pumping conduit <br />and tunnel also would be designed to serve as an outlet by means of <br />proper gates and valves through which releases up to 300 cfs could be <br />made from storage to the White River. All pumping plants and the dam <br />would be designed to be installed in stages to match the needs as they <br />develop. <br /> <br />-48- <br />