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