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surface water onsite not exceeding 10 acres. No acid or toxic producing materials will be <br /> exposed during mining. No explosives will be used in conjunction with mining or reclamation. <br /> The proposed mining operation will consist of an access road from the southwest of the <br /> site. All interior haul roads will be temporary and will be reclaimed after the mining has been <br /> completed. It is estimated that the life of the pit is 8-10 years and is dependent upon demand. <br /> This is a privately owned site and does not require the State Historic Preservation Office <br /> requirements for a cultural or historic study. If the operator encounters any structure of note, <br /> the State Historic Preservation Office will be notified. <br /> 6.4.5 Exhibit E <br /> Reclamation Plan <br /> Reclamation to agricultural land will occur following mining at the site. A 10-acre pond <br /> will remain on the north end of the site using available water shares for augmentation <br /> purposes. <br /> Slopes will be returned to a 3H:1V slope or flatter when mining has concluded, thus <br /> allowing for reclamation to immediately follow mining as the site progresses. As topsoil, waste <br /> rock and overburden are removed from the working face,they will be stockpiled for future <br /> reclamation use. Throughout mining,slopes will be maintained at a 3H:1V minimum, except for <br /> the active mine face. Waste rock and overburden will be placed on the pit floor as quantity <br /> allows. Four inches of topsoil will be replaced on affected surfaces. If necessary, surfaces will <br /> be roughened prior to seeding. All materials used for backfilling will be generated from onsite <br /> sources. Onsite topsoil will be adequate for reclamation purposes. No importation of materials <br /> for reclamation purposes will be necessary. <br /> Colorado Gravel LLC will use the below seed mix. The seed will be drilled at%"to Y2" in <br /> depth and straw mulch will be crimped in. <br /> Table 1: NRCS Recommended Seed Mix <br /> es PLS Mere <br /> Blue arama 0.6 <br /> Sldeoats grama 2.3 <br /> W m wheftrass 3.2 <br /> Sand dropseed 0.2 <br /> Yelbw sweetdover 10.4 <br /> All mining structures, including interior haul roads and stormwater diversion structures, <br /> will be reclaimed following all mining operations. All buildings that are brought in for the <br />