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Geologic Map <br /> Blomerg Property <br /> 2269 & 2289 Hollenbeck Road <br /> Stockton, CA <br /> ,y. <br /> 77•• R N <br /> Map Base: California Geological Survey <br /> (formerly California Division of Mines & Geology), <br /> 1991, Geologic Map of the <br /> San Francisco - San Jose Quadrangle, <br /> Explanation CDMG Map SA, Scale 1 : 250,000. <br /> Quaternary Modesto Formation - <br /> Qm Arkosic alluvium forming Mokelumne River terraces and alluvial <br /> fan;chiefly sand with minor gravel and silt;probably glacial outwash <br /> Scale <br /> Or Quaternary Riverbank Formation-weathered reddish gravel, 0 2 4 <br /> sand, and silt forming clearly recognizable alluvial terraces and fans m <br /> Miles <br /> 1 in = 3.95 miles <br /> as Quaternary Dune Sand <br /> 1 :250,000 <br /> Pliocene Laguna Formation- interbedded alluvial gravel, sand <br /> PI and silt. Pebbles and cobbles of quartz and sediments are <br /> invariably arkosic <br /> Tertiary Mehrten Formation- sandstone, laminated siltstone, <br /> Tm conglomerate, and tuff breccia composed almost entirely of <br /> andesitic material with only small amounts of igneous and NEIL O. ANDERSON <br /> metamorphic rock fragments A N D A S S O C I A T E S <br /> Location of Subject Site Plate 7 <br />