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May 10,2022 C-1981-019/Colowyo Coal Mine ZTT <br /> Reclamation Parcel ST001. Reclamation Parcel EP060. <br /> SLIDES and DAMAGE - Rule 4.12: <br /> Minor rilling was observed along the north facing slope of the Final East Pit Ditch.This generally due to seasonal <br /> runoff and seeps that exist along the face off slope. This area is monitored by Colowyo and does repairs as <br /> necessary.No rills observed along this slope were any cause for concern as the generally selfheal over time or <br /> repaired and reported in the annual Rill and Gully Report.No issues observed. <br /> A rill was observed along Reach 2 of the Prospect Ditch.The rill starts from the Prospect Ditch,runs adjacently <br /> and then connects back into the ditch at a lower area. The rill is stable and runs in a sinusoidal pattern. Discussions <br /> regarding the rill was had between all parties in attendance and was determined that bringing in equipment for <br /> repair would cause additional and unnecessary disturbance to the surrounding reclaimed area.The Operator stated <br /> that the rill will be cut off at the head of the rill and allow the area to self-heal over time. This rill is a maintenance <br /> item with no issues at this time. <br /> Number of Partial Inspection this Fiscal Year: 8 <br /> Number of Complete Inspections this Fiscal Year: 4 <br /> Page 7 of 11 <br />