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Geologic Map <br /> 1 Silva Trucking <br /> 8853 Manthey Road, French Camp, California <br /> F1 <br /> V fl ML7fA E-: I3 <br /> !£gEV�rIR <br /> 'TCEI. <br /> �IfAN <br />� . � .� f� Tin �• .• <br /> ?U <br /> r <br /> y Explanation <br /> Map Base:California Geological Survey <br /> Qdp Quatemary Dos Palos Alluvium- (formerly California Division of Mines&Geology), <br /> Flood basin deposits 1.991, Geologic Map of the <br /> San Francisco-San Jose Quadrangle; <br /> Quaternary Modesto Formation- CDMG Map 5A, Scale 1:250,000. <br /> r Qm Arkosic alluvium forming Mokelumne River terraces and alluvial <br /> €€ <br /> fa ii;chiefly sand with minor gravel and silt;.probably glacial outwash <br /> Scale <br /> Or Quaternary Riverbank Formation weathered reddish gravel, 0 1 2 <br /> � Isand,and silt forming clearly recognizable alluvial terraces and fans !Miles <br /> 1 in=5,208 ft <br /> Qs Quaternary Dune Sand 1:625,000 <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 N E I L O. A N D E'R S O N <br /> metamorphic rock fragments "4 <br /> AND ASSOC f A T' E S <br /> 0 Location of Subject Site Plate 7 <br />