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Geologic Map <br /> Calloway Court <br /> 4065&4080 Calloway Cow <br /> Stockton, California <br /> ai <br /> J.-; 51 <br /> bbb YOU 9510 <br /> K <br /> A: Sf <br /> Wat 31w <br /> Toe CA <br /> Pc <br /> (A E. i. A <br /> At <br /> Map Base:Atwater,Brian F., 1982, Geologic Maps of <br /> the Sacramento-San Joaquin Delta:U.S. Geological <br /> Survey MF-140],Sheet 1 <br /> Explanation Z <br /> QdP Quaternary Dos Palos Alluvium= Scale <br /> Flood basin deposits 0 T2 1 <br /> Quaternary Modesto Formation- I in= 2,000,ft <br /> Qm, Arkosic alluvium forming Mokelumne River terraces and alluvial 1:24,000 <br /> fan,•chiefly sand with minor gravel and silt probably glacial outwash <br /> Qr Quaternary Riverbank Formation-weathered reddish gravel, <br /> r"n <br /> sand,and silt forming clearly recognizable alluvial terraces and fans <br /> Qs Quaternary Dune Sand <br /> Pliocene Laguna Formation-interbedded alluvial gravel,sand <br /> P/ and silt.Pebbles and cobbles of quartz and sediments are <br /> h7vanab4,arkosic <br /> Tertiary Mehrten Formation-sandstone,laminated siltstone, <br /> TM conglomerate,and-tuff brecda composed almost entirely of <br /> andesitic material with only small amounts of igneous and <br /> metamorphic rock fragments <br /> • Location of Subject Site NEIL 0, ANDERSON <br /> AND ASSOCIATES plate ? <br />