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SLOPE STABILITY <br />INTERIM INSPECTION REPORT <br />AREA Nadge highwall drainage fill DATE 5/8/91 <br />TIME 1:30 Dm WEATHER Sunny, 70°F <br />1. Debris, organic matter, coal, etc., present in fill None visible <br />2. General gradation and characteristics of material No apparent Change from <br />the February 22. 1991 inspection <br />3. Presence of water, surface and ground Seepage occurring along the lower <br />Hart of drainagQ channel across from the middle of tree cluster. The flow <br />is flnring into Pond #004 <br />4, Condition of underdrain (approx. current width, depth, and length), material <br />gradation and characteristic, compaction, presence. of water N/p <br />5. General material movement Minor settlement cracks within backfilled and graded <br />area above old highwall. Will be kept under observation. <br />6. Proximity and treatment of seep points N/A <br />7. Condition of slope fill surface (grading, cracks or sloughing, erosion, <br />revegetation) The general condition of the graded surface is good. <br />VPePtatinn rnvPr around check dams_ No major visible evidence of <br />CPVPrP Prncinn nr cracking 'except ac notPd_ <br />8. Recom mendation rnntirniPd nhcPrvatinn ac the fill is placed and the <br />WPC+ Warp Hirt is grariPrl and rarlafmPd_ BiffPrantial ~ttlPmPnt and Pmsion <br />Should be mnnitOrnrl and rPpairwrl ac naraccary_ - <br />9. Accountability <br />I certify the preceding observations and com m ents to be true and accurate to <br />MAY 14 1991 <br />Date <br />