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July 13, 2016 C-1981-014/Southfield Mine RDZ <br />REVEGETATION — Rule 4.15 <br />Vegetative Cover; Timing: <br />The road to Substation #2 (reclaimed in 2015) is mostly bare of vegetation, and appears to be very similar to the <br />condition during the June inspection. The substation itself has seen better success with vegetation growth as there <br />is significant emergent vegetation (including a large number of sweet clover plants). No patches of thistle plants <br />were seen at the substation or on the road. <br />At the north end of the spur from road to MW -NW, recent reclamation areas are mostly bare. <br />SUBSIDENCE — Rule 4.20: <br />Dr. W. D. Corley (landowner) has indicated that a hole near the repaired subsidence (repaired in 2012, near the <br />Thompson driveway) has become larger. He indicated that it is the same hole that was inspected in the past, it is <br />near a large fallen tree, and the coordinates are: <br />• 38 degrees, 17' 01.73" N <br />• 105 degrees, 09' 56.10" W. <br />In the office prior to the inspection, these coordinates were used with Google Earth to create a figure showing the <br />location of the feature. Using this figure, satellite imagery on an iPhone, and recalling past inspections, the <br />inspector readily found the location of the feature that is the subject of Dr. Corley's concern. Using a tape <br />measure, the depth of the largest hole was found to be 24" at the deepest part of the hole, and the surface <br />dimensions are 36" x 18". Other holes nearby are smaller. The area was walked (approximately a 300 -foot radius <br />from the hole in question), and no other significant holes were found. The larger hole does not appear to be any <br />more dangerous to humans or wildlife than the surrounding terrain, which includes many rocks and branches as <br />well as steep slopes. <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: 1 <br />Number of Complete Inspections this Fiscal Year: 0 <br />Page 3 of 6 <br />