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combustible cover, regraded, the topsoil was replaced, where possible, and the areas were seeded with the <br /> rangeland seed mix. The demolition debris was buried in an approved solid waste disposal area on the east <br /> side of Colorado highway 13,by the waste disposal area. The solid waste disposal area was permitted <br /> through Technical Revision 34, approved on 16 November 2007. MCM reclaimed the No. 9 portal area <br /> refuse pile in 2009. MCM covered the pile with four feet of non-toxic, non-combustible cover material <br /> (permit page 2.05-29), replaced the topsoil and reseeded the area with the rangeland seed mix. In 2010 <br /> MCM removed waste oil, oil tanks and other products from the Multiple Services Building at the Mine 5A <br /> portals. Some solid waste was removed from the site in September 2015, and documented in the <br /> permit with MR 54 approved in October 2015. MR55 was submitted to the Division in January 2016 <br /> to change the Parent Company from Peabody Energy Corporation to Bowie Colorado Operations, <br /> LLC. Lastly,in 2017,2018 and 2019 additional reclamation comprised destruction of the coal silo,removal of <br /> the railroad and scale,demolition of the buildings in the main facilities area,removal of the dewatering station <br /> and the treatment and wastewater ponds among other reclamation tasks. <br /> Permit Area, Disturbed Area, and Production Volumes. <br /> The permit area covers approximately 6,363 acres. The disturbed area totals 570.00 acres. Permitting <br /> action Technical Revision TR38 in 2020 corrected the disturbance area as a result of improved mapping <br /> and associated accuracy and precision through the use of aerial imagery. The surface disturbance <br /> includes two reclaimed portal areas; the No. 5,and the No. 9 Portals; and one portal area,the No. 5A <br /> Portal currently undergoing backfilling and grading. <br /> There have been no Notices of Violation issued against the Williams Fork Mines permit since the last <br /> Permit Renewal (RN07),issued in December 2018. The last Notice of Violation issued at the mine was <br /> in 2002. <br /> SECTION II—REVISIONS TO THE PERMIT <br /> The following table summarizes revisions to the permit since the Permit Renewal RN7 in November <br /> 2018. <br /> Table II <br /> Revision Issuance Liability <br /> No. Description Date Change <br /> SL5 Partial Phase I bond release on 176.7 acres 3/1/2021 ($870,271.50) <br /> Partial Phase I, II and III bond release Pending <br /> SL4 305.53 acres Pending <br /> MR57 Update to pastureland/hayland seed mix April 29, <br /> 2019 None <br /> TR38 Updated Reclamation Plan and correction January 5, <br /> to disturbance area delineation 2021 None <br /> SECTION III— STATUS OF STIPULATIONS <br /> There are no active stipulations on the Williams Fork Mines permit. <br /> Williams Fork Mines C1981044 -5- 2 March 2021 <br /> Mid Term Review 8 <br />