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<br />4451 <br /> <br />. <br /> <br />According to Dr. Behnke (letter of April 6, 1973), the North' <br />Cunningham Creek population is one of two known populations <br />in Colorado and is believed to be essentially a pure strain <br />of the indigenous trout of the Upper Colorado River Basin. <br /> <br />Recent correspondence from. the Colorado Division of Wildlife <br />indicates several potential impacts on the population of <br />Colorado River cutthroat trout.. Possible impacts include: <br />potential for hybridization with other species, reduction <br />of natural reproduction, excessive or prolonged turbidity <br />and its effects on food organisms and spawn survival, and <br />overexploitation by fishermen due to increased accessibility. <br /> <br />4. Turquoise Lake <br /> <br />COMPONENTS <br /> <br />ugar Loaf Dam <br />Turquoise Lake <br />East Portal - Boustead Tunnel <br />County Road 104 - Relocation <br />and Improvement <br />County Roads 9 and 9K Relocation <br /> <br />Boustead Tunnel Access Road <br />Transmission and Telephone Line <br />Relocation <br />Ditch Relocations <br />Operation & Maintenance Facilities <br />Recreation Facilities <br /> <br />. <br /> <br />a. Cumulative Impacts of the Components <br /> <br />(1) ~ugar Loaf Dam and Turquoise Lake is an enlargement of <br />an existing water storage facility formerly owned by the <br />CF&I Steel Corporation. Enlargement of the reservoir inun- <br />dated an additional 986 acres of land along 3.5 miles of <br />Lake Fork Channel. The enlarged reservoir has a conservation <br />pool about 5 miles long with 11 miles of shoreline and a <br />total surface acreage of 1,788 acres. <br /> <br />(2) Of the 5,030 total acres of land acquired for the <br />Turquoise Lake enlargement, 2,808 acres were acquired from <br />32 private owners by the Bureau of Reclamation. The balance <br />of land was withdrawn from other Federal agencies. The <br />purchase of private land for Project purposes represents a <br />decrease in county tax revenue for Lak~ County. <br /> <br />IV-61 <br /> <br />. <br />