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• <br />L <br />• <br />SOIL DESCRIPTION LL o m ~ ti Penetration Resistance <br /> £ ~ E o ~ £ (140 Ib. weight, 30-inch drop) <br /> ~ r <br />W m 3 ~ <br />O • Blows per foot <br />Approx. EL 7141 FL N. 343,797; E. 1,346,826 O W n <br /> 0 20 40 60 <br />Very stiff, brown, sandy CLAY, trace of gravel; . . . .. . ... ... . ... . . . . .. . . . . . <br />moist; with clayey sand seams; CL. ....... <br />......... ....... <br />......... ...... . <br />......... <br /> N <br />s ~ ..... ..... ... ......... <br /> ......... <br />......... ......... <br />......... ......... <br />......... <br /> <br />zH ......... <br />...... .. ......... <br />......... ......... <br />......... <br /> t <br /> o <br />......... <br />......... -- <br />......... <br />. ....... <br />......... <br />......... <br /> <br /> <br />aN ......... <br />......... ......... <br />.. ...... ......... <br />......... <br />Very dense, brown, red, and black, clayey, 15.0 15 <br />sandy GRAVEL, occaisional clay seams; dry ......... ......... ........ . <br />to moist; GC. ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ <br /> aH ......~ ......... ......50/6" <br />Note: Refusal on possible boulder at 17.5 ff. 2p,5 SL 20 <br /> <br />Driller moved to 4-ff-offset hole and continued ......... ......... ......... <br />drillin ~ ....... ....... ...... . <br />Hard, brown, sandy, silty CLAY; moist to wet; 24.0 s-* § ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 50/0" <br />CL ~ ~ 25 <br />. ~ <br />classification based on drill cuttin s ~~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ " ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ " <br />SANDSTONE and CLAYSTONE: Low ~~ ~~-~~~~~~ ~~~~~~~~~ ~~~~~~~~~ <br /> <br />strength rock. <br />\~ ......... <br /> <br />......... ......... <br /> <br />......... ......... <br /> <br />......... <br />(classification based on drill cuttin <br />s) ~~ <br />g 30 <br /> ~~ <br />COAL: Low strength rock, black. 32.0 ~ :: ~ :: _ _ :::::: _ _ ::: <br /> s- ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ SON" <br />BOTTOM OF BORING 3a.1 35 ---- --_-_._ _-_-_- <br />COMPLETED 1/10/2006 ~ ~ ~ ~ ~ ~ ~ ~ ~ <br />......... ~ ~ ~ ~ ~ ~ <br />......... <br />......... <br /> <br /> <br />4 ......... <br />......... ......... <br />......... ......... <br />......... <br /> 0 <br />......... <br />......... <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 Recovered g Ground Water Level ATD 0 % FIneS(<0.075mm) <br />H Modified California Sampler ~ % Water Content <br />Plastic Limit I~~ Liquid Limit <br />Natural Water Content <br />South Taylor Excess Spoil Fills <br />Geotechnical Study <br />NOTES Rio Tinto Energy America <br />1. The boring was performed using solid flight auger ddlling methods. <br />2. The stretificaflon lines represent the approximate bountlades between soil types, antl <br />me tranattion may be gredual. LOG OF BORING ST-1 <br />3. The tliscussion in the tent of this report is necessary for a proper understarxfing of the <br />nature of the subsurhace matedals. <br />4. Groundwater level, if indicated above, is for the tlale specifred and may vary. JUIy 2006 23-1-01105-200 <br />5. Refer to KEY for explanation of symbols, codes and definitions. <br />6. USCS desgnadon is based onvisual-manual class cation and selected lab testing. SHANNON & WILSON, INC. FIG. A-3 <br />GB°Iadlni°al an0 Envnmmental CAnsultants <br />s7 <br />66 <br />