2014-11-20_REVISION - M1977036 (3)

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5.1.4 Final Topsoiling Final topsoiling procedures will be the same as the original permit, M- 1977 -036. 5.2 Final Land Use Final land use at the Greeley 35th Avenue Mine West Pit will be Developed Water Resources utilizing a below grade reservoir. Final land use of other portions of the mine will remain consistent with the original reclamation permit, M- 1977 -036. 5.3 Reclamation Performance Standards 5.3.1 Reclaiming Substituted Land There will be no Substituted Land to be reclaimed, as defined in Section 3.1.2. 5.3.2 Time Limit and Phased Reclamation Reclamation of the West Pit is expected to be completed as described in Section 5.1.2. The reclamation plan timeline is within the five year timeframe required in Rule 3.1.3. The schedule indicates slurry wall and reservoir completion within 8 months. Slurry wall construction is anticipated to occur from July 2014 to October 2014, and a leak test will be performed on the facility from October 2014 to January 2015. 5.3.3 Public Use It is not anticipated the public will use the Greeley 35th Avenue Mine property after reclamation. The facility will be used as a water augmentation reservoir. 5.3.4 Reclamation Measures — Material Handling Reclamation grading and backfilling will occur as necessary to comply with all local and state erosion prevention measures. The slopes within the West Pit will be graded to a 3:1 (H:V) slope above and below the post -mine normal high water line (NHWL). There has been no refuse, acid - forming, or toxic producing material mined at the Greeley 35th Avenue Mine, and none of this material is expected to be produced. The Greeley 35th Avenue Mine is a surface mine with no adits or shafts that require closing. Reclamation design does not include plans for agricultural or horticultural use. Supplemental fines will be imported for use in the construction of the slurry wall as wall backfill.