2017-03-15_REPORT - C2010089 (4)

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New Horizon North Mine 2. Topsoil During 2016, 6.4 acres were topsoiled. Please during the report year and Table 2 for overall mine. Additionally, please see Map 2 which during the report year. 3. Seeding see Table 1 for topsoil moved topsoil stockpile balance for the denotes the locations topsoiled NHN permanently seeded or planted 8.2 acres of Dryland Pasture in 2016. Map 2 shows the areas seeded in 2016. Attachment 1 contains documentation on specific seed mixes utilized and a sample of the seed tags 2016. See Section 2.05.4(2)(e) of the permit application package for seed mix information. 4. Soil Fertility Testing and Fertilizer Application Fertilizing has not occurring; therefore, no Soil Fertility Testing occurred in 2016. F. WILDLIFE MONITORING & MITIGATION During 2016, topsoil and mining operations were within the 300 yard buffer zone of active prairie dog colonies. To mitigate possible disturbance to burrowing owls a prairie dog exterminator was enlisted to first bury all the open holes by hand shovel. Than —24 hours later they would inject carbon monoxide to the reopened holes. In doing this the only holes that would be open after this treatment would be active prairie dog holes. Burrowing owls require abandoned prairie dog holes. These treatments were performed March 7th, May 4th, and September 19th of 2016. During 2016 a pair of Bald Eagles were observed building a nest on the northwest side of the active pit by mine personnel. Tri-State Generation and Transmission Association, Inc. completed an Annual Monitoring Report — Eagle Take Associated with but not the Purpose of an Activity 2016 Annual Report Checklist. This checklist is required by the U.S. Fish & Wildlife Service and is included at Attachment 3. G. INTERIM REVEGETATION REPORT Interim vegetation monitoring did not occur at NHN in 2016. Future Interim Vegetation Reports will be included as an attachment. 2016 Annual Reclamation Report Page 2