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KEY TO SYMBOLS <br /> Symbol Description <br /> Strata symbols <br /> ■ Paving/Concrete <br /> Poorly graded sand, Poorly <br /> graded sand with gravel , <br /> Poorly graded sand with gravel <br /> and silt <br /> Well graded sand <br /> Lean clay, Lean clay with <br /> sand, Sandy lean clay <br /> ® Asphalt <br /> Notes : <br /> 1 . These logs are subject to limitations , conclusions , and recommendations in <br /> this report. <br />