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The cache was generated from a natural-color orthographic aerial imagery mosaic of King County and southwestern Snohomish County. The source dataset consists of tiled orthogonal imagery derived from aerial photographs captured by EagleView Technologies. Resolution is 3 inches per pixel (\u201cNeighborhood\u201d scale in EagleView terminology) over urbanized, western King County, and 9 inches per pixel (\u201cCommunity\u201d scale) over rural, eastern King County. Also covered at the Neighborhood level are southwestern Snohomish County, the U.S. Highway 2 corridor in northeastern King County, and the Alpental area near Snoqualmie Pass. 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