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--------------- Boring Log Test Hole 3 (continued) <br /> Depth ------------------------------------------- <br /> Interval USCS <br /> (feet) Symbol Description <br /> ---------------------------------- <br /> 185 - 190 CL Sandy clay: fine to medium sand, brown sand, <br /> brown clay <br /> 190 - 195 SC Clayey sand: medium sand, poorly sorted, <br /> brown clay <br /> 195 - 200 SW Sand: medium to very coarse, black and <br /> brown, very slightly dirty (may be clay wash <br /> from above, very angular sand <br /> 200 - 205 SC Clayey, silty sand: very fine to medium <br /> sand, brown, gray clay <br /> 205 - 220 CH Clay: very plastic, medium-dark greenish <br /> gray, mixed w/ dark brown clay balls, lean, <br /> no sand <br /> 220 - 225 SC Clayey sand: fine to medium sand, brown, <br /> poorly sorted, brown clay <br /> 225 - 230 SC Clayey sand: fine to medium sand, brown, <br /> poorly sorted, brown clay <br /> 230 - 235 SW Sand: fine to coarse, mostly medium sand, <br /> poorly sorted, clean <br /> 235 - 240 CL Sandy clay: coarse sand, light brown clay <br /> 240 - 273 CL Sandy clay: hard brown clay, very little <br /> sand, brown fine to coarse sand, very <br /> gritty, poorly sorted <br /> 273 - 275 SW Sand: medium to coarse, poorly sorted, <br /> slightly clayey w/ hard brown clay <br /> 275 - 280 CL Sandy clay: fine to coarse brown sand, <br /> sticky, soft, brown <br /> 280 285 SM Silty sand: fine to medium, brown <br /> 285 - 290 SP Sand: medium, poorly sorted, brown <br /> 290 - 295 SC Clayey sand: fine to medium sand, very <br /> poorly sorted, clayey matrix, no clay balls <br /> 295 - 300 SW Sand: fine to coarse, brown, not clean, <br /> silty w/ clayey matrix, poorly sorted <br /> 300 - 305 SM Silty sand: fine, poorly sorted, brown <br /> 3 <br />