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L <br /> a <br /> The site is located on the northeast corner of the intersection of the frontage road of <br /> Highway 99N and Foppiano Lane. It is approximately 7 miles northeast of the Stockton <br /> civic center, and 9 miles south of Lodi. The Mokelumne aqueduct is about 2,000 feet to <br /> the west; the Calaveras river 7,000 feet to the south; and Mosher Creek 7,000 feet to the <br /> north. The mainline of the Union Pacific-Santa Fe RR is about 6,000 feet to the west. The <br /> area is primarily agricultural; the nearest residence is over 250 feet to the north. Refer to <br /> PLATES I & IT for details. <br /> GEOLOGIC & GEOMORPHIC PROVINCE: <br /> The site is located near the southern end of the Sacramento Basin, which is part of the <br /> northern portion of the geomorphic province referred to as the Great Valley of California. <br /> This large basin, which consists of over 20,000 feet of sediments, extends from Red Bluff <br /> on the north to the Transverse Ranges on the south. The sediments were derived <br /> primarily from erosion of the Sierra Nevada Batholith to the east, and have been <br /> periodically reworked and redeposited by the many rivers and streams in the area. <br /> The"',topography is very flat, sloping to the southwest at about 7.5'/mile. Based upon <br /> USGS topographic maps, surface elevation is about 32' msl datum. PLATE III is a <br /> portion of a USGS quadrangle sheet which shows features in the area. <br /> SOIL PROFILE: <br /> Based upon published reports, the soils in the area are identified as Stockton Adobe Clay. <br /> It.is;dark grey to brown to tan in color with layers of hardpan in the subsoil. These soils <br /> are�de'veloped on older plains or terraces, and are underlain by unconsolidated material. <br /> The Storie index is 28. - <br /> DEPTH TO GROUNDWATER: <br /> ,Bed upon the latest maps prepared by the San Joaquin County Flood Control District <br /> (Fall;' 1996) groundwater is about 80' below ground level in this area. Due to the heavy <br /> rains in 1996 & 1997, the water table may have risen several feet since that time. As part <br /> of this project, the static water level will be measured when the well on the property is <br /> examined. <br /> LOCATION OF NEARBY WELLS: <br /> As mentioned above, there is a domestic water well on the east edge of the property about <br /> 40 feet from the end of Tank #3 - refer to PLATE IV for details. There are no other <br /> private wells within 250' of the site of the removed tanks. The locations of all domestic, <br /> 2 <br />