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- <br />LOG OF TEST PIT Trench 4 <br />B <br />~ Sheet 1 of 1 <br />Project: Monument Dam Location: Paonia, CO client: Mountain Coal Company <br /> Barr Project Number: 06/26-067 STANDARD PENETRATION NATURAL DRY <br /> a~i TEST DATA DENSITY <br />y y c ~ ~ \ N in blows/ft o0 (pcf) it <br />o r MATERIAL DESCRIPTION ~ a > 0 1o za 3o ao 1os 11s 1zs <br />' Z ~ <br />~ n (ASTM D2488) n I- <br />d ~ ~ °~ ao SHEAR STRENGTH, ksf Water Content, <br />W ~ ~ ~ <br />C <br />T WP WN Wi <br /> <br />Surface Elev.: 7290.8 rm • <br />V jlE <br />OP X U <br />1 2 3 4 <br />10 20 30 <br /> 0 Lean clay (CL), brown, wet, soft; reservoir bottom sediment <br />7290 <br />7289.8 <br /> Lean clay (CL), gray, wet, very soft; lenses of sandy silt/silty <br /> fine sand, gray/oxidation, looks like "soft sediment" in dam 1.1 <br /> Bottom of trench <br /> 5 <br />7285 <br /> 10 <br />Completion Depth: 1.1 Remarks: Middle of reservoir bottom, 80' north of channel <br />Date Boring Started: 9/14/06 <br />Date Borin <br />leted: 9/14/06 <br />Com <br />g <br />p <br />Logged By: JDG SAMPLE TYPES WATER LEVELS <br />Drilling Contractor: None <br />Drilli <br />Pit <br />M <br />th <br />d <br />T <br />m Auger Cutting ,Shelby Tube While Drilling: <br />ng <br />e <br />o <br />: <br />est End of Drilling: <br /> ® Split Spoon ~ Rock Core <br /> hrs After Drilling: <br />fhe stratification lines represent approximate boundaries. The transition may be gradual. <br />