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May 26, 2015 C-1981-019/Colowyo Coal Mine RDZ <br />The following ditches (at least some reaches of each) were inspected from the aerial photographs: <br />• Prospect Ditch <br />• North Tributary, East Pit Ditch <br />• Final East Pit Ditch <br />• Section 29 Collector Ditch <br />• West Taylor West Trib. Ditch <br />• West Taylor East Trib. Ditch <br />• Taylor Ditch <br />• Several contour ditches. <br />In these photographs, the ditches look stable and no other problems were seen. <br />GENERAL MINE PLAN COMPLIANCE: <br />There was no evidence in the photographs that Colowyo Coal Company is mining outside of the approved <br />area. <br />RECLAMATION SUCCESS - Rule 4.15, Rule 3: <br />The East Pit and West Pit reclamation areas, including contour ditches, and block ST001 were viewed in <br />the aerial photographs. No significant erosion or other problems were seen. <br />SLIDES and DAMAGE - Rule 4.12: <br />The area below the Section 28 Collector Ditch was inspected via aerial photographs. No sign of new <br />damage to the hillside was seen. <br />TOPSOIL — Rule 4.06 <br />Removal 4.06.2; Substitute Materials 4.06.4(4); Storage and Protection 4.06.3; Redistribution 4.06.4: <br />Six topsoil stockpiles were inspected, and no issues were seen. These include: 15A, 1513, 16A, 16D, 16E, <br />and 16I. <br />ENFORCEMENT ACTIONS/COMPLIANCE <br />No enforcement actions were initiated as a result of this inspection, nor are any pending. <br />Number of Partial Inspection this Fiscal Year: 9 <br />Number of Complete Inspections this Fiscal Year: 3 <br />Page 3 of 7 <br />