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<br />, <br />~ 1 r:. ' <br />.,"ill.) <br />grounds currently used by about 40 cow elk (Colorado Division <br />of Wildlife, letter of November 29, 1972). If adjacent or <br />nearby calving grounds are not available, the reproductive <br />success of the herd may decline. <br /> <br />. <br /> <br />(14) A total of 323 deer ,and 91 elk have been counted in <br />the Twin Lakes area during the winter months~ this should <br />probably be considered a conservative population estimate. <br />The combination of inundation of habitat and human inter- <br />ference will result in a management policy to decrease these <br />herds by 20-25 percent (Colorado Division of Wildlife, letter <br />of March 8, 1973). <br /> <br />(l5) Public recreation facilities will be constructed, <br />operated, and maintained on lands withdrawn or acquired <br />for development of Twin Lakes. Ultimate use of public <br />lands in the Twin Lakes area with the Project is estimated <br />to be about 1,000,000 visits annually (Forest Service, letter <br />of November 18', 1970). <br /> <br />The proposed recreation development will provide facilities <br />for boating, camping, picnicking, hiking, and other uses. <br />Recreationists, however, often cause human pollution <br />problems through use of oil and gasoline in boats and <br />automobiles. Littering could decrease the aesthetic appeal <br />of the area. <br /> <br />. <br /> <br />(l6) The Fish and Wildlife Service's report on the Project, <br />dated August 28, 1969, estimates a gain of 34,500 man-days <br />of fishing as a result of the Twin Lakes enlargement. <br /> <br />(17) The number of construction workers and their families <br />W~ll remain close to its present level during construction <br />of the enlarged Twin Lakes Dam and Mt. Elbert Forebay. <br />Communities near,the construction site, i.e., Leadville, <br />Buena Vista, and Salida, should experience little influx <br />of additional people. <br /> <br />(18) Approximately 25 families will be displaced by the <br />enlargement of Twin Lakes. In addition, about 50 summer <br />homes within the reservoir boundary will be relocated or <br />razed. <br /> <br />(19) Land developers may acquire land in close proximity <br />to the Government boundary. This could increase the human <br />disturbance and eliminate additional wildlife habitat. <br /> <br />IV-73 <br /> <br />. <br />