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LOG OF EXPLORATORY BORING <br /> GROUND SURFACE ELEVATION: FEET BORING NO. 4 <br /> Sheet 2 of <br /> Natural jo o <br /> Moisture Dry Penet- u a <br /> > e DESCRIPTION <br /> Liquid Plasticity Content Density ration a —, E <br /> Limit Index Percent Lbs./Cu.Ft. Blows/Ft. ® O <br /> It <br /> 4 4. - <br /> ® Grading to more moisture <br /> 0 <br /> ® 50 (SM) Brown silty SAND and gravel <br /> with some clay - moist <br /> Grading to more clay <br /> 5 Groundwater 4-21-72 <br /> s (CL) Brown silty CLAY with some <br /> fine sand - moist <br /> Grading to some medium san <br /> a <br /> m > 60 wet <br /> (SM) Brown silty SAND - moist <br /> � N <br /> .0 <br /> V L <br /> 0 65 <br /> v <br /> N L <br /> 1J <br /> 1 In <br /> 70 <br /> N -0 <br /> O — <br /> ® V <br /> 75 <br /> N ` <br /> 0 — <br /> t Grading to less sand <br /> ru M1 - <br /> 0 <br /> z <br /> 0 <br /> ® Z <br /> u REMARKS: <br /> SL <br /> > 'o <br /> m a <br /> FE 1 (8-71( ASSOCIATES <br />