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r <br /> ,00N <br /> ! .A k" KLEINFELDER <br /> File No . 23 -480020000 <br /> August 26, 1994 <br /> 2.0 SITE SETTING <br /> l 2.1 SITE LOCATION <br /> t_I <br /> The San Joaquin County Garage is located at 130 North Hunter Street in Stockton, California. <br /> The garage has two large roll-up doors facing west on North Hunter Street with the two <br /> underground storage tanks located below the sidewalk and directly west of the garage doors. A <br /> site plan is attached. <br /> The San Joaquin County Garage is hereafter referred to as the "project site." The project site is <br /> located in Township 1 , North, Range 6 East, Northeast Quadrant of the Mount Diablo Baseline <br /> and Meridian. According to a 1968 Stockton West Quadrangle Map (photo-revised in 1987), the <br /> area surrounding the site contains commercial buildings. <br /> f <br /> 2.2 SITE DESCRIPTION <br /> The site currently consists of a large storage garage currently being used as temporary storage for <br /> -� the county. The garage extends to the edge of property. To our knowledge there is no well on <br /> site, however, there are municipal wells within one-half mile of the site. <br /> 2.3 GEOLOGY AND HYDROGEOLOGY <br /> L <br /> ti The site lies in the Great Valley Geomorphic Province of California. The valley is about 400 <br /> a ! miles long (north-south), averages about 50 miles wide (east-west), and comprises approximately <br /> 20,000 square miles. The valley has been filled with a thick sequence of marine and non-marine <br /> sediments from the late Jurassic to the Holocene times. The uppermost strata of the Great Valley <br /> represents, for the most part, the alluvial, flood, and delta plains of two major rivers (Sacramento <br /> and San Joaquin Rivers) and their tributaries. The valley geomorphology includes dissected <br /> uplands, low alluvial plains and fans, river flood plains and channels, and overflow lands and lake <br /> bottoms. <br /> The site is located on the dissected uplands and low alluvial plains of the northern portion of the <br /> ( I San Joaquin Valley of the Great Central Valley. The San Joaquin Valley is characterized by deep <br /> l-J accumulations of Cretaceous and Quaternary Age sediments which include both marine and <br /> continental rocks and deposits. <br /> EM,md 7EI94 <br /> Copyright 1994 Kleinfelder, Inc. Page 5 of 14 <br />