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<br />u <br /> <br />SOIL DESCRIPTION LL o d ~ LL Penetration Resistance <br /> t E a ~ t <br />c' (140 Ib. weight, 30-inch drop) <br /> r j m o <br />0 3 m • Blows per foot <br />Approx. EI. 7541 Ft. N: 337,052; E: 1,344,180 ~ rn ~ <br /> 0 20 40 60 <br />Medium stiff, dark brown, gravelly CLAY, trace . .... . ... .. . . . . . .. .. . . .. . . . <br />of f ne sand; moist to dry; with light brown to ....... ....... ...... . <br />red sandstone clasts; CL. ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ <br /> <br />tN ......... ......... ......... <br />Medium stiff to very stiff, silty, slightly gravelly 5.0 5 <br />......... <br />......... <br />......... <br />to gravelly CLAY; moist; occasional clayey <br />sand or gravel layers; CL. ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ <br /> z <br />H <br />... ..... <br />......... <br />......... <br /> ...... .. ......... ......... <br /> <br /> 9~ ~ ......... ......... ......... <br /> ~ 15 <br /> <br /> <br /> <br /> aN ~ <br /> zo <br /> a ......... <br />......... ......... <br />......... .. ..... <br />......... <br /> ......... ......... ......... <br />CLAYSTONE: Low strength rock, dark gray. 24.0 \\ still <br />25 50/6" <br /> ~~ <br /> <br /> ~~ <br /> <br /> 30 <br /> ~~ <br /> ~~ <br /> <br /> ~~ e-. ......... ......... ......50/0" <br /> <br />BOTTOM OF BORING 35.0 35 - <br />......... ---~--- <br />......... ---~-- <br />......... <br />COMPLETED 1/9/2006 ......... <br />......... ......... <br />......... ........ . <br />......... <br /> 40 <br /> ......... <br />......... ......... <br />......... ......... <br />......... <br /> <br /> <br />45 ......... <br />......... ......... <br />......... ......... <br />......... <br /> ......... <br />......... <br />......... <br />......... ......... <br />......... <br />......... <br />......... ......... <br />......... <br />......... <br />......... <br />LEGEND 0 20 40 60 <br />• Sample Not Remverod ~ % FIn eS(<0.075mm) <br />ter C <br />ontent <br />Wa <br />H Modified California Sampler • % <br />_ <br />' <br />1 <br />Plastic Limit T Liquid Limit <br />Natural Water Content <br />South Taylor Excess Spoil Fills <br />Geotechnical Study <br />No~ES Rio Tinto Energy America <br />i. The boring was performed using solid flight auger drilling meNods. <br />2. The stmt~wtion lines represent the approximate bountlaries between soil types, and <br />thaw"ai°°n may be gradual. LOG OF BORING ST-2 <br />3. The discussion in the text of this repod is necessary (or a proper understanding of the <br />nature of the subsurface materials. <br />4. Groundwater level, if indinted above, is for the date speed and may vary. JUIy 2006 23-1-01105-200 <br />5. Refer to KEV for explanation of symbols, codes and definitions. <br />6. USCS designation is based on visual-manual Gassifotion and selected lab testing. SHANNON & WILSON INC. FIG. A-4 <br />Geotechnical antl Environmental C.onsUltan9 <br />