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Soil Suitability/ Nitrate Loading Study Irerracon <br /> Pickens Property■ Tracy, California <br /> May 12, 2020 ■ Terracon Project No. NA207032 <br /> 1.1.2 Proposed Development <br /> Based on interviews with Ms. Ashley Pickens, the site is proposed to be developed with an <br /> approximately 1,560 square foot (SF) 3-bedroom, 2-bathroom modular home and additional <br /> septic system. <br /> 1 .1.3 Site Vicinity <br /> The adjoining northern property consists of the Delta Mendota levee and canal followed by <br /> orchards. Chrisman Road abuts the site to the east followed by orchards (no address).The <br /> adjoining southern property consists of a residence (32951 S. Chrisman Road). The western <br /> adjoining property consists of agricultural land. A detailed vicinity and topographic map are <br /> included in Appendix A (Exhibit 1). <br /> 1.1.4 Site Map <br /> A detailed site diagram map is included in Appendix A (Exhibit 2). <br /> 1.2 Present and Past Uses of the Site <br /> 1.2.1 Past and Present Site Use <br /> Terracon reviewed the USGS Historical Topographic Map Explorer, Tracy (1916) and Carbona <br /> Carbona (1922, 1942), Tracy (1954, 1968, 1981) California Quadrangle topographic maps and <br /> Historic Aerials dated between 1949 and 2016 to develop a history of the site. Four historical <br /> aerial photographs dated 1940, 1952, 1963, and 1975 were provided by the San Joaquin County <br /> Surveyors Office. The following table is a description of the site based on the source. <br /> Table 1. <br /> Historical Information. <br /> Year Source Description <br /> 1916 Topo <br /> 1942 Topo <br /> 1940 Aerial <br /> 1952 Aerial Undeveloped land and/or agricultural land use. <br /> 1963 Aerial <br /> 1975 Aerial <br /> 1982 Aerial <br /> 1993 Aerial Developed with a residential structure on the southern portion of the parcel. <br /> 2006 Aerial <br /> 2020 Aerial The northern portion of the parcel remains vacant. <br /> Responsive■ Resourceful ■ Reliable 4 <br />