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LITHOLOGIC DESCRIPTION <br /> MONI'T'ORING WELL LOG <br /> (continued) <br /> I <br /> MW-4 <br /> Depth Interval Blow HNu <br /> feet BGS Counts USCS Symboln/Descnption Remarks Value <br /> I <br /> 55 - 62 11, 17, SC SAND medium reddish brown, very clayey to silty in <I <br /> 37 places, wet, occasional thin stringers of firm friable wet <br /> tuffaceous material with plagioclase phenocrysts,no <br /> appar-ent odor, no apparent staining, 75% sand, 15% clay, 10% <br /> silt <br /> 62- 695 25, 40 ML SILT light to medium brown gray, firm, blocky, Enable, <1 <br /> occasional rust mottling, wet, occasional saturated stringers <br /> I micromicaceous, no dilatency, highly dry strength, no <br /> apparent odor, no apparent staining, 90% silt, 10% clay <br /> 695 - 71 CL CLAY medium reddish brown, firm to hard, compacted, <br /> blocky, slightly moist, no apparent odor, no apparent stain- <br /> ing, high dry strength, no dilatency, silty, 7590 clay, 20% <br /> silt, 5% sand <br /> I <br /> I <br /> I <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 Unified Soils Classification System <br /> srxCaKSWcssw wp A - 9 10/1v92 <br />