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25 June 2014 <br /> AGE Project No. 14-3062 <br /> Page 4 of 15 <br /> 4.0. HISTORICAL USE <br /> The history of the subject property from as early as 1914 to present was researched by <br /> reviewing aerial photographs, topographic maps, San Joaquin County Building <br /> Department records and a personal interview. Based on a review of historical records, <br /> the property has been utilized as residential property since at least 1957. <br /> Representative historical documents are included in Appendix B. <br /> 4.1 . SANBORN FIRE INSURANCE MAPS <br /> Sanborn Fire Insurance maps were developed in the late 1800s and early 1900s for use <br /> as an assessment tool for fire insurance rates in urbanized areas but are now utilized as <br /> a valuable source of historical and environmental risk information. EDR owns the largest <br /> collection of Sanborn Fire Insurance Maps. AGE requested EDR to provide any <br /> Sanborn Fire Insurance Maps that might cover the subject property. Sanborn Fire <br /> Insurance Map coverage is not available for the subject property. <br /> 4.2. AERIAL PHOTOGRAPHS <br /> AGE reviewed aerial photographs of the subject property and surrounding area <br /> provided by EDR for the years 1937, 1957, 1963, 1975, 1982, 1993, 1998, 2005, 2006, <br /> 2009, 2010, and 2012. The following is a summary of our review of the aerial <br /> photographs: <br /> Year(s) Aerial Photo Summary <br /> 1937 No structures are visible on or immediately adjacent to the property. Surrounding <br /> use appears to be largely rural. <br /> 1957 A small structure(s) is visible on the property and structures are visible on adjacent <br /> properties. Franklin High School is visible to the east. <br /> 1963 A small structure(s) is visible on the property and structures are visible on adjacent <br /> properties; additional structures are visible in the surrounding area. Franklin High <br /> School is visible to the east and highway on- and off-ramps from highway 99 to <br /> Fremont Street are now visible. <br /> 1975, 1982, Multiple structures are visible on the property; structures resemble the current <br /> 1993, 1998 layout of the property. The surrounding area is mostly residential with many <br /> structures (residences) visible. Additionally, large rectangular buildings <br /> (warehouse buildings) are visible north of Fremont St. <br /> 2005, 2006, <br /> 2009, 2010, Aboveground vertical storage tanks are visible from an oil bulk plant facility located <br /> 2012 approximately 3,000 feet west of the site. <br /> Advanced GeoEnvironmen ta1.Inc. <br />