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SAM;' E <br />� <br />4- <br />W w <br />2- <br />4- <br />10- <br />12- <br />14- <br />16- <br />20, 410121416 <br />DESCRIPTION <br />18 <br />Asphalt: 2 inches. <br />DESCRIPTION <br />Asphalt: 2 inches. <br />Base rock: 2 inches <br />L <br />1.0 - 2.0 feet: Sand cla , dark brown, stiff, <br />low plasticity, moist. <br />2.0 - 8.0 feet: Sandy silt, orange -brown, hard, <br />slight plasticity, moist. <br />KDC <br />71 <br />ML <br />SM <br />8.0 - 20.0 feet: Silty sand, gray -brown, hard, <br />fine-grained, poorly graded, moist. <br />KDC <br />72 <br />At 9.5 feet: 10% LEL in sample. <br />At 14.5 feet: 22% LEL in sample. <br />KDC <br />73 <br />At 19.5 feet: 25% LEL in sample. <br />KDC <br />201 <br />