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TR-4 incorporated the as-built configuration for collection ditches NHN-001 East and NHN-001 <br /> West. TR-4 was issued on October 15, 2013. <br /> TR-5 incorporated groundwater monitoring wells GW-N56, GW-N57, GW-N58, modified mine <br /> facilities and haul road construction. TR-5 was issued on May 28, 2014. <br /> TR-6 updated the design of Pond NHN-002, Pond NHN-002 ditches, surface water monitoring <br /> plan, pit limits, and due date for the Annual Reclamation Report. TR-6 was issued on November <br /> 18, 2014. <br /> TR-7 updated the as-built information for the East and West Ditches of Pond NHN-001. TR-7 <br /> was issued on December 9, 2014. <br /> TR-8 incorporated the construction certification for the Southeast Haul Road. TR-8 was issued <br /> on August 11, 2015. <br /> TR-9 changed the inlet location of the north ditch into Pond NHN-002. TR-9 was issued on <br /> March 31, 2015. <br /> TR-10 incorporated the as-built certification for Pond NHN-002. TR-10 was issued on October <br /> 6, 2015. <br /> TR-11 incorporated responses to adequacy questions raised in the midterm review. TR-11 was <br /> issued on January 26, 2016. <br /> TR-12 updated the blasting performance standards. TR-12 was issued on February 9, 2016. <br /> TR-13 incorporated a new design for the upper segment of the NHN-001 East ditch. TR-13 was <br /> issued on August 23, 2016. <br /> TR-14 incorporated a new dryland pasture reference area, updated interim vegetation monitoring <br /> schedule and updated seed mixtures. TR-14 was issued on June 27, 2017. <br /> TR-15 updated the post mining topography and CCC 2nd Park Lateral pipeline location. TR-15 <br /> was issued on May 30, 2017. <br /> TR-16 approved removal of the facilities area north of Meehan Draw including Pond NHN-003 <br /> and ditches, the North Haul Road, ground water monitoring wells, Pond NHN-002 north ditch, <br /> and updated the post mining topography. TR-16 was issued August 7, 2018. <br /> TR-17 approved redesign of Ponds NHN-001 and NHN-002 to facilitate reclamation of their <br /> excess storage capacity. TR-17 was issued on August 7, 2018. <br /> TR-18 approved reduction of the permit boundary by 94.1 acres on areas that had not been <br /> disturbed or affected by mining activities. TR-18 was issued December 4, 2018. <br /> 5 <br />