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Elk Creek C-1981-022 13 December 2006 C~ P9 2/3 Hydrologic Balance (cont.): Pond D (cont.) - No erosional problems were noted on the pond embankment. The pond has an oil boom and it was in place. The trash rack and anti- vortex device was in placed on the primary discharge pipe. There is some sediment at the inlet of the pond but it does not appear to be a problem at this time. - The East Yard pond contained a small pool of water and was not discharging at the time of the inspection. There is a large pile of snow at the pond inlet from plowing of the roads. The pond embankment was covered with snow but appeared to be stable. No erosional problems were noted on the pond embankment. - Pond F did not appear to contain any water at the time of the inspection (the bottom of the pond was covered with snow) and it was not discharging at the time of the inspection. The embankment was covered with snow but appeared to be stable at the time of the inspection. No erosional problems were noted on the pond embankment. -The ditches along the haul road to the Elk Creek facilities area, the East Yard and old highway 133 were all cleaned and appeared to be stable and functioning as designed. All of the sumps in the ditches were also clear. No erosional problems were noted in any of the ditches. Backfilling 8~ Grading: -The backfilled Sanborn Creek portal appeared to be stable at the time of the inspection. There was no cracking or settling noted in the reclamation. All of the runoff from the portal appeared to be flowing off of the backfill and no erosional problems were noted on the area. Explosives: -The explosives magazines were in place at the time of the inspection just below Pond D. The area where the magazines are located was muddy but it was stable and in good condition at the time of the inspection. Processing Waste: -The West Vailey Fill had a few patches of snow on it at the time of the inspection. There was no water pooling on the pile and it appeared to be well compacted and stable. There were approximately 15 piles of refuse waiting to be spread and compacted on the pile. - The reclaimed East Yard pile had a few patches of snow but appeared to remain stable and well vegetated. No erosional problems were noted on the pile at the time of the inspection. Support Facilities: -The Sanborn Creek Fan area was covered with snow at the time of the inspection. The area appeared to be stable and no erosional problems were noted. - The Sanborn Creek fan site was stable at the time of the inspection. No erosional problems were noted. -The substation #3 pad was muddy but appeared to be stable at the time of the inspection. No erosional problems were noted on the pad at the time of the inspection. - Both the Sanborn Creek and Elk Creek Mine facilities areas were wet and muddy but appeared to be stable at the time of the inspection. No erosional or other problems were noted at either of the facilities areas. - The downhill conveyor from the Elk Creek Portals to the coal stockpile was stable and in good condition at the time of the inspection.