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San Joaquin County Community Environmental Setting,Impacts,and Mitigation Measures <br /> Development Department Aesthetics <br /> 3.A Aesthetics <br /> Introduction <br /> This section describes the existing regional visual character,visual resources of <br /> the project area, and visibility of the project area from important vantage points; <br /> presents the federal, state,and local policies and regulations that determine <br /> mitigation requirements; and identifies impacts associated with implementation <br /> of the proposed DeSilva Gates Quarry Project(Project). Potential impacts of <br /> project alternatives related to aesthetics are described and analyzed in Chapter 4, <br /> "Alternatives Analysis." <br /> The key sources of data and information used in the preparation of this section <br /> are listed below: <br /> ■ San Joaquin County General Plan 2010 <br /> ■ Photosimulations (Figures 13-15)of the DeSilva Gates Quarry Excavation <br /> Application(RDT 2004). <br /> Concepts and Terminology <br /> Identifying visual resources and conditions of a project area involves three steps: <br /> 1. objective identification of the visual features (visual resources) of the <br /> b" landscape; <br /> 2. assessment of the character and quality of those resources relative to overall <br /> regional visual character; and <br /> 3. determination of the importance to people,or sensitivity, of views of visual <br /> resources in the landscape; <br /> The aesthetic value of an area is a measure of its visual character and quality, <br /> combined with the viewer response to the area(FHWA 1983). Scenic quality <br /> can best be described as the overall impression that an individual viewer retains <br /> after driving through,walking through, or flying over an area(BLM 1980). <br /> Viewer response is a combination of viewer exposure and viewer sensitivity. <br /> Viewer exposure is a function of the number of viewers,number of views seen, <br /> distance of the viewers, and viewing duration. Viewer sensitivity relates to the <br /> extent of the public's concern for a particular viewshed. These terms and criteria <br /> are described in detail below. <br /> DeSilva Gates Quarry Project <br /> Draft Environmental Impact Report 3,A_1 <br /> AS 05105.05 <br />