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June 15, 2015 C-2009-087/Peabody Sage Creek Mine JLE <br />REVEGETATION — Rule 4.15 <br />Vegetative Cover; Timing: <br />A small bare area was observed on the northwest corner of the old bone yard area. Also, some thistle was <br />observed on this portion of the area. <br />One maintenance items was noted: <br />• A small area where sparse vegetation is established was observed on the Solid Waste Disposal area. Straw <br />waddles have been installed in this area for erosion control. The waddles have blown out in several places <br />and should be repaired. Several small rills have formed in this area, however they are fairly small. <br />SUBSIDENCE — Rule 4.20: <br />The mine remains inactive. <br />SLIDES and DAMAGE - Rule 4.12: <br />New maintenance items: <br />• An erosion gully has formed adjacent to drainage SIIPM-6. This gully is below stock tank T32 on the <br />northwest side of the drainage. The gully is about one to two feet in depth. Some vegetation has begun to <br />establish in the gully, however it does not appear to be stabilizing. Mr. Cowman and I discussed this <br />issue. He is concerned about mobilizing equipment to this area to repair this gully as that activity may <br />cause more damage. He indicated PSCM would attempt to stabilize this gully using various erosion <br />control techniques that can be installed by hand. Given this area is fairly remote, the Division agrees with <br />this course of action. <br />Figure 4. Erosion gully formed adjacent to drainage SIIPM-6 <br />• A slump above the farthest southeast portal above the second bench was observed during the May 26, <br />Number of Partial Inspection this Fiscal Year: 9 <br />Number of Complete Inspections this Fiscal Year: 4 <br />Page 5 of 10 <br />