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Geologic Map <br /> LangeTwins Wine Estates <br /> 1525 East Jahant Road <br /> Acampo, Califomia 95220 <br /> [77 <br /> e <br /> Map Base:Marchand,D.E.and Atwater,B.F., 7979, <br /> Preliminary Geologic Map Showing Quaternary <br /> Deposits of the Lodi Quadrangle,California, U.S. <br /> Geological Survey OFR-79-933 <br /> Scale <br /> Explanation: 0 7 2 <br /> Miles <br /> Qmi Modesto Formation lower member.-arkosic alluvium forming 7 in=5,208 ft <br /> Mokelumne River alluvial fan;chiefly sand;probably glacial outwash 1:62,500 <br /> Qm2e Modesto Formation upper member.-arkosic sand forming low <br /> dunes on the Molekumne River fan and in the Delta;probably eolian, <br /> although not well sorted <br /> Qr3 Riverbank Formation upper member:arkosic alluvium forming <br /> Mokelumne River alluvial fan;chiefly sand,probably glacial outwash <br /> Qr3f Riverbank Formation upper memberfoothill-derived alluvial <br /> sand and silt;contains abundant volcanic deritus <br /> Qr2 Riverbank Formation middle unit:arkosic alluvium forming <br /> Mokelumne River terraces and alluvial fan;cheifly sand;probably <br /> glacial outwash 1044NEIL O. A N D E R S O N <br /> A N D A S S O C I A T E S <br /> Location of Subject Site Plate 4 <br />