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L - L �✓ <br /> t <br /> �- TED{EIRA-SOUZA PROPERTY Page 8 <br /> WKA No. 5475.03 <br /> i June 2, 2003 <br /> t <br /> r. <br /> At?ricultural Review <br /> We discussed the agricultural history of the subject property with a staff member at the San <br /> Joaquin County Agricultural Commissioners Office. The staff member at the Agricultural <br /> Commissioners office informed us that the property was predominantly used for hay crops. <br /> The staff member from the Agricultural Commissioners office explained that Restricted Use <br /> Permits and Annual Pesticide Use Reports could be obtained at the San Joaquin County <br /> Agricultural Commissioner's Office. The property has been farmed under Permit Nos. 39- <br /> 3900463 and 39-3902186 for years 2002, 2001, 2000, 1999 and 1998. The staff member stated <br /> that agricultural chemicals used today typically do not persist in site soils for more than one year <br /> when properly mixed and applied. As such, these modern pesticides, when used and applied <br /> properly, are not a significant concern in an environmental site assessment. We observed no <br /> 1. obvious surficial evidence of chemical misuse during our field reconnaissance. <br /> Historic Topographic Maps Review <br /> i <br /> We reviewed historic U.S. Geologic Survey(USGS)topographic maps with coverage of the subject <br /> and adjacent properties at the California State Library. Maps dated 1914 and 1978 were reviewed; <br /> i the results of the maps review are each discussed below. It should be noted that the 1914 <br /> t topographic map was named Bethany. The 1978 version of the topographic map containing the <br /> �. subject property(Clifton Court Forebay, California) is included as Plate 2. The property lies in the <br /> southeast portion of Section 16,Township 2 South,Range 4 East, Mount Diablo Base and <br /> Meridian. The property has a USGS-reported ground surface elevation of approximately+60 feet <br /> to+80 feet mean sea level(msl). <br /> 1914 Map <br /> �., On the 1914 map,the subject property is mapped as undeveloped land. No structures are <br /> mapped on the property. An improved road (currently identified as Grant Line Road) is mapped <br /> to the south of the property. The Alameda County and San Joaquin County boundary line is <br /> mapped approximately 5700 feet to the west of the property. An improved road (currently <br /> identified as Mountain House Parkway) is mapped to the east of the property. <br /> rr. <br /> Li <br /> INK <br /> ` WALLACE•KUHL <br /> _ &ASSOCIATES INC <br />