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I <br /> LEGAL DESCRIPT ON The property consists of approximately 1 acre, <br /> (APN 135-25-31) as shown on =BIT A. <br /> REGIONAL SETTING <br /> The property is located in the southwestern part of the City of <br /> Stockton, almost directly beneath I-5. The Stockton Deepwater <br /> Channel is approximately one block to the south, near the <br /> terminus of Mormon Slough. The area is primarily dedicated to <br /> light manufacturing & varied small to medium sized businesses. <br /> Valley Wholesale Drugs is a wholesale distributor of phamaceuti- <br /> cals, there are no manufacturing activities on the property. <br /> PLATE I is a portion of a city map of Stockton showing the <br /> location of the site. <br /> ALO Ici C &_CEOMOREHIC PROVINCE. <br /> The site is located in the southern portion owhat is referred <br /> to as the Sacramento Valley, which is withl� the geomorphic <br /> Province called the Great Valley of Califo nza. This large <br /> basin, which contains in excess of 25, 000/of sediments, extends <br /> from Red Bluff on the north to the Transverse Ranges on the <br /> south The sediments have been derived primarily from erosion of <br /> the Sierra Nevada Batholith to the east, they have been period- <br /> ically reworked and redeposited by the many rivers and streams in <br /> the area. The surface elevation is between 5' & 10 ' , with the <br /> regional gradient to the west at about 5' /Mile PLATE II is from <br /> a USGS topographic map showing surface features in the area. <br /> SOILS C SSIF N: <br /> According to the publication issued by the University of Calif. , <br /> Berkeley, in 1952, the surface soils consist of "madeland, " (fill <br /> brought in from other areas. ) The predominent native sail in the <br /> area is Stockton adobe clay, which covers most of this portion of <br /> Stockton. Soils encountered during site excavation consisted <br /> Primarily of tan to brown clays & silty clays, with some sandy <br /> clay intervals <br /> DEETH TO QUEDWATER. <br /> According to maps published by the San Joaquin County Flood <br /> Control District, the water table in this area is about 20' below <br /> ground level. During the work discussed in this report, ground- <br /> water began to seep into the excavation at about 15' bgl, this <br /> correlates well with water levels encountered during removal of <br /> the UST' s However, due to the heavy rains this winter, it is <br /> 2 <br />