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Colowyo Coal Company L.P. <br />III. Phase I Bond Release Areas <br />A. Summary of Reclamation and Management <br />As shown on Map 1, 51.1 acres that is being requested for Phase I bond release is made <br />up of four distinct parcels that are located in the West Pit. The parcels are separated by a <br />post -mine channel on the western side, and an in -pit haul road, which provides Colowyo <br />access to the 2019 reclamation unit. The work completed includes backfilling and <br />regrading to the approved post -mining topography and construction of post -mine <br />drainage channel. These four parcels were backfilled and graded mostly in 2018, but <br />some regrade work did occur in in 2017. Topsoiling of the four parcels occurred in 2018. <br />The reclaimed area has been regraded consistent with the approved post -mining <br />topography (see Map 19 and 19A, Permit C-1981-019, for the approved post -mining <br />topography), and follows all criteria set forth for Phase I bond release by the Division. <br />Please refer to Map 2 for a representative cross-sections of the regraded areas in relation <br />to the approved post -mining topography. A final segment of the East Taylor Ditch <br />(permanent post -mine channel) was also constructed in this Phase I area in accordance <br />with the approved ditch design located in Permit C-1981-019. This segment of the East <br />Taylor Ditch is not being applied for release under this application, as the entire <br />watershed reporting to this ditch has not been reclaimed to date. <br />The remaining 13.9 -acre parcel in the East Pit and was a former topsoil stockpile <br />location. Please see Map 1 for a location of this parcel. This area was regraded in 2012 <br />and 2016 respectively, with topsoiling occurring in 2018. The area has been regraded to <br />the approved post -mining topography (see Map 19 and 19A, Permit C-1981-019, for the <br />approved post -mining topography), and follows all criteria set forth for Phase I bond <br />release by the Division. Please refer to Map 2 for a representative cross-sections of the <br />regraded areas in relation to the approved post -mining topography. <br />SL -15 Phase I, 1I, & III Bond Release Application Page 7 <br />