OCR Text |
Show ( 8) Construction Activities In all phases of Unit construction there would be serious esthetic intrusion of a temporary nature as the physical manipulation of the environment was carried out. Machinery would produce undesirably high levels of sound and d. ist. In some instances annoying odors could develop. Construction of dams and diversion stceam crossings would temporarily increase the turbidity of streams. There would be temporary esthetic problems associated with the clearing of lands destined for inundation. Placement of embankment material for the Utah Lake dikes wsuld result in short- term erosion problems. At this time the Bureau of Reclamation is unable to fully discuss all of the expected esthetic impacts for each Unit feature because all of the required design and location planning has not been completed and environmental assessment of existing plans is not finished. The Bureau of Recleamation is aware and recognizes that adequate pre- construction planning for esthetic purposes is essential if adverse environmental impacts of this nature are to be minimized. In this regard, the Bureau intends to reevaluate all existing plans and emphasize esthetic - considerations in a manner similar to the Preliminary Environmental Analysis of Proposed Projects on the Ashley National Forest prepared primarily by an interdisciplinary U. S*. Forest Service study team. 10" To dace desirable planning changes have been made at Upper Stillwater Dam, North Fork Siphon, Hades Tunnel, Wolf Creek Pipeline, and Rhodes Tunnel. There is ample lead time to evaluate features and enough flexibility in the economic structure of the Unit to allow some construction changes, conducive to the preservation of esthetic quality. Recreation ( 1) G^ eneral^ The Bonneville Unit would be expected to have significant impacts upon the existing and potential pattern of outdoor recreational activity in the State of Utah„ |