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� SUBSURFACE EXPLORATION <br /> LOT 2, BLOCK 1 <br /> KELLY 2nd ADDITION <br /> ORONO, MINNESOTA <br /> ALLIED No. 94117 <br /> As the sa.mples were obtained in the field, they were visually and manually classified by <br /> the crew chief. Representative portions of the samples were then returned to the laboratory for <br /> further examination and for verification of the field classification. During drillin and upon <br /> completion, the bore holes were probed for the occunence of water. The results of these water <br /> level checks are presented on the enclosed boring logs. <br /> SUBSURFACE CONDITIONS <br /> At boring locations SPT-1 through 3, fill soils were encountered to depths ranging from <br /> 4.5 to 5.5 feet below grade. This surficial fill material consisted of black, bark brown and gray, <br /> sandy, lean and organic clay with roots. Underlying the fill materials, soft soils, consisting of <br /> peat and organic clay, were present to depths ranging from 17 feet in SPT-1 to 9.5 feet in SPT- <br /> 3. Lean and sandy lean clay with varying proportions of gravel were encountered beneath the <br /> organic deposits to the termination depths of borings SPT-1 through 3. These lean clays were <br /> generally in a soft to medium condition. <br /> Sampling was initiated in SPT-4 at a depth of 24.5 feet below grade. Sandy lean clay, <br /> in a stiff condition was encountered from this depth to 30.5 feet below grade. Fine to coarse <br /> grained, waterbearing, silty sand with a trace of subangular gravel was encountered from <br /> approximately 30.5 to 34.5 feet and was underlain by stiff to very stiff sandy lean clay. <br /> Groundwater was encountered at the drilling locations at depths ranging from 2.8 to 4.4 <br /> feet below grade as indicated by the presence of standing water in the cased and open bore holes <br /> and the condition of the recovered soil samples. Groundwater conditions should be expected to <br /> 4 <br />