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SLOPE 3TABlI.1TY <br />II7TERIM INSPECTION $EPO$T <br />AREA Wolf Creek Drainage Fill DATE 10-11-85 <br />TIME 1 _gOTm WEATHER Cold. demo <br />1. Debris, organic matter, coal, etc., present in fill none visible <br />2. General gradation and characteristics of material <br />as <br />•ev <br />ma <br />tion of core and <br />rom <br />r fill is <br />material <br />_ za~~ <br />3. Presence of water, surface and ground surface water from above the active pit was <br />being diverted to the underdrain and this water was emergtng rom t e undet•dratn to t <br />orm o eroundwater. No water oresent in acttve ott. <br />4. Condition of underdrain (approx. current width, depth and length), material graduation <br />and characteristic, compaction, presence of water current placement approximately <br />20' - 25' wide by 15' - 20' deep. Approximately 500' to eng stt s an to tow rom <br />surface water dtverted above the acttve pit ang emerging trom the ungergratn. <br />5. General material movement none evident <br />6. Proximity and treatment of seep points not applicable <br />7. Condition of slope fill surface (grading, cracks or sloughing, erosion, revegetation_ <br />not applicable <br />6. Recommendation continued observation <br />9. Accountability <br />I declare the preceding observations and notes true and accurate to the best <br />of my knowledge. <br />IUcX~O+d ~• ~~DOC.. ~lc~~t7P.~, II t 194~~ <br />Richard A. Isaac Date <br />Colorado P.E. 20320 <br />