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.../ August 8,2003 NOA ENVIRONMENTAL PROJECT NUMBER: LE03-226 III. PHYSICAL SETTING Table I provides a summary of the physical setting of the site and vicinity. Table I : Physical Setting Summary Topographic Map: U.S.Geological Survey, Stockton East,California,7.5 minute Series(topographic) quadrangle maps dated 1968 photorevised 1987. Topographic Map A portion of the north half of Section 91,TIN,R7E: Mount Diablo Baseline and Location: Meridian. Topography: The subject property is essentially flat,resting at approximately 50 feet above mean r sea-level. The terrain slopes to the west-northwest at approximately 5 feet per mile. General Location: Greater than 1/4 mile north of Highway 26,on the west side of Ramsey Avenue. _ Assessor's Parcel 089-10044,089-100480 and 089-100-52. Number: •— Address: One parcel has been designated with the address:2621 North Ramsey Avenue, Linden,California 95215. Surface Soil Types: 110--Boggiano clay loam,0 to 2 percent slopes. 158--Finrod clay loam,0 to 2 percent slopes. Permeability: Permeability is moderately slow in the Boggiano soil. Permeability is slow in the Finrod soil. Depth to Groundwater: Groundwater is found at a depth between 80 and 90 feet below ground surface level. The subject property is located on the west edge of a cone of depression. Current Site Use: The subject property is currently a vacant hay field. Past Site Use: The subject property has been used for agricultural endeavors in the past and has been vacant. Soil and Hydrogeologic Information "110--Boggiano clay loam,0 to 2 percent slopes. This moderately well drained,nearly level soil is on low fan terraces. It is deep to a hardpan. It formed in alluvium derived from mixed rock sources" (USDA,p.31). "Typically, the surface layer is dark brown clay loam about 23 inches thick" (USDA, p.32).