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<br />\' <br /> <br />.. . <br /> <br />j <br /> <br />UNITED STATES <br />DEPARTlvJ:ENT OF TEE INTERIOR <br />BUREAU OF RECLAY~ION <br />WASEINGTOlJ 25. D. C. <br /> <br />Dec. 1. 1948 <br /> <br />Attention: 737 <br /> <br />The Secretary <br /> <br />of the Interior <br /> <br />Sirl <br /> <br />I submit herewith my proposed report on the potential Lyman <br />Project in Uinta County, Wyoming. My report is based upon the <br />attached report by the Regional Director, Region 4, dated <br />July 16, 1946. . <br /> <br />The Lyman project would provide supplemental ~~ter to 40.600 <br />acres of land in the Upper Colorado River Basin in southwestern <br />Wyoming, now irrigated from an insecure and inadeQuate source <br />of supply, Although the project would not provide a full supply to <br />all lands, it would materially reduce shortages which at present <br />permit only low and insufficient yields of forage and grain crops <br />that are needed to support the local livestock industry, and which <br />,necessi tate the importation of feed from o.ther areas. ',By increasing <br />the agricultural productivity of the area, the proposed project <br />would bolster the local livestocl: industry. the basic industry in <br />the area, thus improving economic conditions. As an incidental <br />benofi t, the projcct ~Tculd stabili ze domestic t'Tclls in the area by <br />increasing the rcchargc to groundwa.tcr from irrigation seepage during <br />p~iods.of drought. Every procaution would be trucen to minimize <br />fish and wildlife losses ~~ich might rosult from development of the <br />project. <br /> <br />Thc proposed plan for dovelopment of this project would require <br />construction of a.n earthfill dam 165 foot high to impound 43.000 <br />acre-feet of wator at tho Bridger site on Willow Creok which lies <br />botwoon Blacks Fork and its tributar;)., the Nest Fork: of Smiths Fork. <br />Tho natural stroamflow of Willow Oroek is nogligible, but fcoder <br />canals of 650 and 250 second-feet ca:oacity ~Tould be built to carry <br />tho spring flood flows of Blacks Fork and ~Jest Fork of Smiths Fork' <br />rospectively into the Bridger Reservoir. Tho natural channel of <br />Willow Crook would be enlarged and improved te carr;' reservoir releases <br />7! milos dOl.mstream to tho hoadings of two return canals, with <br />capacities of 52 and 700 second-foot rospectively., ~Thich would <br />convey reservoir reloases from Willow Crook into tho natural channol <br />of Smiths Fork, and a t:lird return canal which would convey a maximum <br />of 520 socond~fbet of roservoir roleasos into the natural channel <br />of Blacks Fork.~ Returns to Smiths Fork and Blacks Fork would be <br />diverted by oxisting diversion structuros into oxisting canals along <br />each stro2~. Minor improvoments in these existing canals aro con~ <br />