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designated stockpiles, berms, or directly placed to create final reclamation slopes. Stockpiles <br /> will not be created in the floodway that makes up the majority of the northern portion of the site. <br /> Initial stripping will be placed in temporary stockpiles located on the south side of the operation. <br /> Materials will be directly placed in the designated stockpile areas or berms which can be seen <br /> on Map C-3. Stockpiles to be in place longer than 90 days will be seeded with the permanent <br /> seed mix to prevent erosion (see Exhibit E for seed mix). An average of 0.58 feet of topsoil and <br /> 3 feet of overburden were assumed to determine the overall material balance shown in Table <br /> D-3. <br /> Table D-3 Topsoil and Overburden Material Generated During Mining <br /> Material Generated(CY) <br /> Topsoil ` 112,700 <br /> Overburden 579,800 <br /> Due to the reclaimed land use as water storage ponds, there will be an excess of topsoil than <br /> what is needed for reclamation. This is because the pond makes up the majority of the <br /> reclaimed land and does not need to be topsoiled entirely. Excess topsoil and overburden will <br /> be used to achieve the final grading shown in the reclamation map in Exhibit F. Overburden, <br /> topsoil, and sand will be used to backfill mining slopes to their final reclaimed state. Topsoil will <br /> be replaced on all disturbances outside of the ponds and on the pond slopes. It will not be <br /> replaced on the pond floor. Topsoil will be replaced in an average 6-to 8-inch layer based on <br /> the available topsoil stripped. Details pertaining to reclamation can be found in Exhibit E and the <br /> maps in Exhibit F. <br /> 5. Site Access <br /> Primary access to the site is via the entrance road on the north side of Weld County Road <br /> (WCR) 394. Site access are shown on map C-1. <br /> 6. Water Information, Rights, and Augmentation <br /> All water right issues such as availability of water for this operation, consumption rates, dust <br /> control, etc. are presented in Exhibit G —Water Information. <br /> 7. Schedule of Operations <br /> Mining operations will occur as dictated by demand with an average annual production of <br /> 300,000 tons. Mining, screening, and processing will be conducted on site with portable <br /> equipment throughout the year. The operator will not have night gravel mining operations, <br /> although minor truck activity and repairs may occur after hours. <br /> Evans Mining Resource <br /> October 2024 D-4 111 Lewicki&Associates <br />