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i MACHADO PROPERTY Page 6 WKA No. 6078.02 L November 1, 2004 L 1914 Map On the 1914 map, the subject property is mapped as undeveloped land. One structure is mapped on the northeast portion of the property. An improved road (currently identified as Grant Line Road) is mapped to the north of the property. The Alameda County and San Joaquin County boundary line is mapped approximately 5000 feet to the west of the property. An improved road (currently identified as Mountain House Parkway) is mapped to the east of the property. 1978 Map On the 1978 map the currently active dairy is mapped on the eastern portion of the property. The improved road to the north is now identified as Grant Line Road. A pond,which was further discussed in the Site Description portion of the report, is mapped on the northeast corner of the ` property. High-voltage power lines are now mapped traversing the northwest portion of the property. Rural residences are now mapped to the east and south of the property. In summary,each of the reviewed topographic maps reveals that the subject property is located in a historically rural residential and agricultural area of San Joaquin County. No evidence was observed on the topographic maps to suggest that the subject property was disturbed by human activities typically mapped by the USGS, such as the following: quarrying; installation or removal of pits, lagoons; occurrences of dredging or subsurface or surface mining; or, deposition of historically placed, USGS topographically mappable quantities of imported fill materials. Aerial Photographic Review We obtained standard scale,historic aerial photographs in ten-to fifteen-year increments with coverage of the subject property and general vicinity from Cartwright Aerial Surveys in Sacramento, California for years 1963, 1975, and 1999. July 10, 1963 Air Photos Photo ID Nos.: 4-85 and-86 (Scale: I"= 1667') L The neighborhood infrastructure features (roads, levees, railroad tracks, etc.) in the property vicinity as mentioned during our topographic map review are visible in the earliest air photos. INK ✓✓ WALLACE•KUHL &ASSOCIATES INC.