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/ The site is located on a small peninsula extending into the <br />North Arm of Lake Minnetonka, and is a lake shore lot. The <br />proposed building area is flat, and is only slightly higher than <br />lake water level. This was formerly a swamp area, but was filled <br />over to raise it above lake level. <br />The major natural inorganic soil type in this area is clayey <br />glacial till related to the Des Moines ice lobe of the Wisconsin <br />glaciation. The upper portions of the clayey glacial till was <br />later modified by stream action, which left a covering deposit of <br />sandy and silty material. Lake Minnetonka has receded to its <br />present size, leaving deposits of peat and organic clay formed at <br />its former margin. <br />Some fill has been placed over the property during previous <br />development of the lot. <br />SOI L_C.0NJ).m.011S__ <br />Four basic soil types were encountered in our Investigation. <br />These are: fill; lake margin organic soils; stream deposited silt <br />and sand; and Des Moines clayey glacial till.