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i <br /> 1 <br /> NAME & PHONE NO. OF RESPONSIBLE PARTY: <br /> ' Louis. E. Shoneff, (209) 466-0131, ext. 224 <br /> LEGAL DESCRIPTION: The property consists of approximately 1 acre, <br /> ' (APN 135--25-31) as shown on EXHIBLT AA_ EXHIBIT B is a copy of <br /> the Grant Deed for that property. <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 /> GEOLOGIC & GEOMaRPHIC OV NCE: <br /> The site is located in the southern portion of what is referred <br /> to as the Sacramento Valley, which is within the geomorphic <br /> province called the Great Valley of California. 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 CLASSIFICATION: <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 predomi.nent native soil an the <br /> area is Stockton adobe clay, which covers most of this portion of <br /> Stockton. A brief examination of the spoil which was returned to <br /> the hole shows at to be primarily a fine, sandy silt. PLATE_ III <br /> ' is from that publication. <br /> DEPTH TO GROUNDWATER= <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 /> ' 2 � <br />