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Page 6 <br />Mr. and Mrs. Darrel Freudenburg <br />the fill material. The flow of the subsurface <br />water along the clay causes the loosely <br />compacted fill that has been placed on the <br />sloping surface to slide down the slope. This <br />causes the property to slump and undermines the <br />structures on the property. <br />BOE//V6 3. The log dam near the property adds to the <br />problem by creating a plunge pool, which leads <br />to erosion of the underlying clay. This <br />increases the potential for earth slides. <br />4. During those periods when the creek level is <br />high, the creek erodes the silty sand material <br />lying over the clay layer. This erosion causes <br />more rapid earth sliding. <br />An analysis of the facts set forth in the reports <br />provides a clear indication of the reasons for the <br />damage to the property. The findings of the report <br />support the following conclusions: <br />1. The property is basically unstable, and the <br />geologic and hydrogeologic conditions of the <br />property have resulted in earth sliding and <br />erosion. <br />Over long periods of time, loosely compacted <br />fill material has been placed on the slope to <br />attain a level surface for building. The <br />material used for backfilling is inadequate for <br />the underlying conditions of the property and <br />has not been properly compacted. The placement <br />of the unsuitable fill material without adequate <br />compaction has increased the earth sliding. <br />3. Despite the fact that reports as early as 1966 <br />warned of continued earth sliding because of the <br />fill material and the underlying conditions of <br />the property, you have failed to take adequate <br />measures to protect the property against <br />sliding. <br />