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?r YEH AND ASSOCIATES, INC. Project: Bowie Landslide Study Boring: P-2 <br />L GEOTECHNICAL ENGINEERING CONSULTANTS Project Number: 25-196 Date: Sheet 1 of 1 <br />Boring Began: 1/30/2006 Completed: 1/30/2006 Total Depth: 20.0 ft <br />Drilling Method: Solid-Stem Auger Drill Bit: Ground Elevation: 8199.0 ft <br /> <br />Drill: CME 45 Track Mount Casing: Location: East edge slide <br /> Weather. Coordinates: N: 4,317,745.8 E: 277,912.0 <br />Driller. Ager Drilling/Bill/Chris <br />Logged By. S. Foster Ground Water Notes: Groundwater at 17.7 ft <br />Final By: S. White Depth 17.7 ft - <br /> <br />Inclination: Vertical <br />Date 2/1/06 <br />- <br /> Time - <br /> CL <br />0 Rock Soil Samples <br /> <br />a Q a SPT o Field Notes <br />w? . W <br />v o Blows c Material Description and <br />w o Of per N Lab Tests <br /> c 0 6 in <br /> <br />IV - 5&.v u. aanuy vvar wnn LRAW gravel, UL. <br />ark brown to gray-brown, damp, medium stiff, <br />low plasticity; subangular gravels, (rill). <br />8195 <br />5 <br />8190 <br />10 <br />3/3/4 I 7 <br />@ 5 ft dark brown <br />8185 <br />15 <br />8180 <br />20 <br />ti 8175 <br />25 <br />f/J <br />U <br />O <br />h <br />a <br />x <br />8170 <br />30 <br />z <br />a <br />0 <br />0 <br />J <br />01 <br />@ 10 ft gray brown <br /> 7 <br /> 97 12.0 -15.0 fL clayey SAND with trace gravel, <br />SC <br />b <br />d <br /> , gray- <br />rown, <br />amp, loose to medium dense, <br /> subangular, non to low plasticity, (TW). <br /> 40 15.0 -15.5 ft <br />CLAY with trace gravel <br />CL <br />gra <br /> • .. . <br />, <br />, <br />y <br />t <br />d <br />b <br />d <br />f <br />B <br />d <br />k <br />d <br />ill <br /> o re <br />- <br />rown, <br />amp, sti <br />f to very stiff, low to e <br />roc <br />per <br />r <br />er <br /> medium plasticity; subangular gravels, (landslide <br /> ebris). <br /> 15.5 - 20.0 ft. SANDSTONE, yellow-brown, <br /> ::: weak cementation, (UPPER MESAVERDE <br /> GROUP). <br />50/4" 150 Bottom of Hole at 20.0 ft. Set slotted PVC 10 to 20 <br /> ft; clean sand 9 to 20 ft; <br /> bentonite pellets 2 to 9 ft; <br /> clean sand top 2 ft; set <br /> metal riser with grout <br /> Hole #1 next to #2 has <br /> inclinometer set to 25 ft <br /> BGL and 2.4 ft above GL <br />• <br />mil- 8165