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LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER F90-02.01 BORING NO. MW-12 <br /> PROJECT NAME A.Teichert&Son,Inc. PAGE 3 OF 5 <br /> ' BY D.Buchanan DATE 8/12/92 SURFACE ELEV. 2057 ft. <br /> PF - N104Lei! LITHO- WELL <br /> PID RECOVERY TION w k J GRAPHIC DESCRIPTION <br /> "' LLLLLLDETAIL <br /> tY_j LiJ� cc <br /> COLUMN <br /> ippmy (ft/ft) (bless/ft) � C; <br /> N <br /> cc <br /> 0 1.1/1.5 SILTY SAND(continued) <br /> @ 40': Occasional manganese oxide staining; <br /> ' 47 iron oxide staining common;no product odor. <br /> ' SILT(ML),yellowish brown(10YR,5/4); low <br /> plasticity fines; trace fine sand,quartz;caliche <br /> common locally; hard;damp.no product odor. <br /> 0 1.1/1.5 45 <br /> ' 53 <br /> CLAYEY SAND(SC),grayish brown(IOYR,5/2); <br /> 20%medium plasticity fines;80% fine sand, <br /> subangular,quartz,trace feldspar,trace dark <br /> li grains;occasional iron oxide and manganese <br /> 0 1.011.0 50 oxide staining;hard;damp;no product odor. <br /> 72 <br />' 0 0.9/1.5 55 <br /> 68 @ 56.5':Brown(10YR,5/3);iron oxide staining <br />' abundant;occasional caliche; very dense;damp; <br /> no product odor. <br /> SAND(SP),olive brown(2.SY,4/4);trace fines; <br /> 1 fine sand,angular to subangular,90%quartz, <br /> 5-10% dark grains,trace feldspar; (bluish)gray <br /> (2.5Y,N510)staining;rootholes common;very <br /> 60 dense,• damp;no product odor. <br /> REMARKS <br /> Soil boring was drilled using 8-inch diameter hollow-stem auger drilling equipment and sampled with a modified <br /> California split-spoon sampler equipped with stainless steel liners.See attached well details for well construction <br /> EEQkNinformation. <br /> E N <br /> ASSOCIATES <br />