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D-19 <br /> atop the waste storage area (with no anticipated areal expansion of the footprint area). An additional <br /> (approximately) 106,000 cubic yards of growth medium will be transported to the TS-1 stockpile;however, <br /> initiation of concurrent reclamation is anticipated to occur during the latter part of the year, with an <br /> estimated 78,000 cubic yards of growth medium being re-placed over an estimated 48 acres. <br /> Year 3 Mining Activity(Southern Portion of Section 1) <br /> The Year 3 mining activity will encompass a full-length eastward push to the limit of the reserve-defined <br /> mining block. <br /> The Year 3 mining activity is projected to encompass approximately 91 acres of mined area,and the mined <br /> tonnage(ROM)is anticipated to be approximately 5.2 million tons. An estimated 915,000 cubic yards of <br /> process waste will be placed atop the waste storage area(with no anticipated areal expansion of the footprint <br /> area) to establish its ultimate nominal 63-ft. height. Once maximum height is achieved, "advance" <br /> reclamation of the north face exposure the feature will be undertaken/completed. An additional <br /> (approximately)65,000 cubic yards of growth medium will be transported to the TS-1 stockpile;however, <br /> concurrent reclamation activities will continue, with an estimated (approximately) 80,000 cubic yards of <br /> growth medium being re-placed over an estimated 50 acres. <br /> Year 4 Mininr Activity(Northeast Portion of Section 1) <br /> The Year 4 mining activity will focus on the northeast quadrant of Section 1,with an eastward push to the <br /> mine block limit,as defined by the western edge of the Ennis Draw"Mining Deferral Area". <br /> The Year 4 mining activity is projected to encompass approximately 92 acres of mined area,and the mined <br /> tonnage(ROM)is anticipated to be approximately 5.2 million tons. An estimated 883,000 cubic yards of <br /> process waste will be placed in the waste storage area via an easterly expansion (truck dump and dozer <br /> push) of the footprint area within the previously-developed pit void. A total of approximately 146,000 <br /> cubic yards of growth medium will be pre-stripped in advance of mining, with a nominal 145,000 cubic <br /> yards being re-placed in concurrent reclamation activity and the remaining 1,000 cubic yards being <br /> transported to the TS-1 stockpile. <br /> Keenesburg No. 2 Mine_112 Reclamation Operation—November 22, 2019 <br />