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SUMMARY (Continued) permanent loss and reduced quality of existing wildlife habitat would range from about 100 acres (beaver and Cooper's hawk) to 3,200 acres (mule deer) through a combination of construction impacts, reservoir inundation, new and improved access roads, and operation of project features. Impacts to beaver would be mostly compensated. The loss of mule deer habitat would be slightly overcompensated by habitat replace- ment and management. About 80 percent of impacts on golden eagles would be compensated. Losses to bobcat habitat would be overcompensated by about 200 percent, whereas those to Cooper's hawk would be undercompen- sated by about 34 percent. Social, economic, and demographic impacts include both adverse and beneficial effects. The magnitude of the impacts is closely related to the level of construction activity. One of the major benefits of the project would be to create more jobs and consequently reduce outmigra- tion. Expanded services and facilites would be required for housing, education, and health and medical care to respond to an influx of population. With withdrawal of the construction work force, however, nonproject-related economic and population growth would quickly absorb additional capacity created by the project. Construction of the recommended plan would result in approximately a 9 percent reduction in grazing and a 40 percent increase in expenses to permi ttees. Cons truct ion of Monks Hollow Reservoir and other project features would close Diamond Fork Road, causing grazing management problems by blocking access to and from the upper and lower grazing areas. The recommended plan would provide increased recreat ion facil ities at both dispersed recreation areas and potential recreation sites in the Diamond Fork area. Construction of the recommended plan would result in an increase of about 22 percent over projected use without the project. A survey of the market for potential hydroelectric resources in the Colorado River Storage Project marketing area indicates an unmet need for 2,300 MW of new peaking capacity from publicly and privately owned utilities by 1990 and 11,000 MW by the year 2000. The survey area included all of Wyoming, Colorado, New Mexico, Arizona, Utah, southern Nevada, and a small portion of southeastern California. Impacts from transmission facilities in the Diamond Fork area would result from construction activities such as clearing of trees for power- line towers, installation of transmission structures, damage to stream banks and riparian habitat, and removal of vegetation from access road construction. With the recommended plan, visual impacts would be rela- tively low because most of the transmission corridor alinement would not be visible from roads. A combination of helicopter and conventional con- struction methods would be used to build much of the transmission system. There would be no measureable effect on fisheries. Impacts to wildlife, recreation use, and livestock would be minor. 8-8