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<br />0 <br />a <br />VJ <br />g <br />U <br />O <br />N <br />N <br />Q <br />W <br />} <br />IL <br />z <br />Q <br />INC <br />r YEH AND ASSOCIATES Project: Bowie Landslide Study Boring: P.4 <br />. <br />, <br />L GEOTECHNICAL ENGINEERING CONSULTANTS Project Number: 25-196 Date: Sheet 1 of 1 <br /> <br />Boring Began: 1/30/2006 Completed: 1/30/2006 Total Depth: 15.0 ft <br />Drilling Method: Solid-Stem Auger Drill Bit: Ground Elevation: 8250.0 ft <br />Casing: Location: North side, center slide <br />Drill: CME 45 Track Mount Weather. Coordinates: N: 4,317,746.9 E: 277,772.3 <br />Driller. Ager Ddlling/BIII/Chds <br />Logged By: S. Foster Ground Water Notes: No groundwater encountered <br />Final By. S. White Depth - - - - <br />Date - - - - <br />Inclination: Vertical Time - - - - <br /> Rods Soil Samples <br /> 0 <br /> <br />c <br />o -? <br />-- t- <br />C <br />a <br />Z, <br />SPT ?+ <br />o <br />Field Notes <br />a) <br />> m C.N <br />m a? W > Blows o Material Description and <br /> <br />w ? per N Lab Tests <br /> 6 in <br /> rr <br /> 0.0 - 9.6 ft. silty CLAY with some sand, trace <br /> gravel, CL, dark gray-brown to red-brown, damp, <br /> very stiff, low plasticity; occasional subangular <br /> gravels, (Till). <br /> <br />8245 5 <br />21 <br /> <br /> 9.6 -15.0 ft SANDSTONE W/SHALE LAYERS Bedrock per driller <br />8240 10 30 , <br />yellow-brown to dark yellow-brown <br />weak <br /> , <br />f <br />l <br />UPPER <br />t <br />ti <br />d <br />t <br /> cemen <br />on o <br />san <br />one <br />ayers, ( <br />a <br />s <br /> MESAVERDE GROUP). <br /> <br /> <br /> <br />8235 15 R R Bottom of Hole at 1,5.0 ft Slotted PVC set from 5 to <br /> 15 ft; clean sand from 4 to <br /> 15 ft; bentonite pellets <br /> from 2 to 4 ft; dean sand <br /> from In top 2 ft; set metal <br /> riser with grout <br /> Hole #3 next to #4 has <br /> inclinometer set to 17 ft <br />8230 20 BGL and 3 ft above GL <br />8225 25 <br />8220 30