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Page 2 of 7 <br />6.4.4 EXHIBIT D <br />This exhibit substantially changed with this submission due to the Division's adequacy items, <br />community input and project modifications. The new exhibit is provided to replace the previously <br />submitted exhibit. <br />6. The mine plan includes topsoil stockpile management and preservation with vegetation. <br />The narrative now reads as follows: <br />Topsoil stockpile erosion caused by wind will be minimized by strategically locating <br />the stockpiles on the east side of the mesas whenever possible, blocking effects of the <br />prevailing westerly winds. Topsoil that is not replaced on backfilled slopes in a time short <br />enough to avoid deterioration will be seeded with the seed mix presented in Exhibit E, per <br />the recommendation of Mr. Richard Rhoades on April 29, 2016. Topsoil stockpiles will be <br />seeded during late fall. <br />7. Fremont commits to salvaging as much topsoil/growth medium as possible with a minimum <br />objective of six inches. <br />8. Because the Badger Hills area is a fragile semi -arid eco -system, effort will be made to <br />maintain historic stormwater flow onto native, undisturbed areas. The narrative now <br />reads: <br />Because Badger Hills is a semi -arid environment, stormwater best management <br />practices (BMPs) will filter and release storm water that falls on to or flows across the <br />affected area as much as possible. Berms and swales will be constructed that direct storm <br />water to detention basins or filtration outlets. Detention basins will be constructed in areas <br />where storm water will infiltrate within 72 hours. Straw bale or straw wattle filtration <br />outlets will be constructed along and in swales and berms filtering sediment, releasing <br />storm water onto undisturbed areas at historic flow rates wherever possible. Stormwater <br />BMPs (berms, swales and detention basins) will be constructed of overburden and/or <br />mining fines. <br />9. The narrative now reads: <br />The target reserve is the Cascajo gravel terrace that ranges in thickness from 10 to <br />15 feet. Gravel will be mined 10 to 15 feet deep to shale or clay loam the stratum <br />immediately below the target reserve. Topsoil and overburden is minimal with prominent <br />gravel outcrops. <br />10. The first paragraph of the exhibit includes the following sentence. <br />Gravel will be mined 10 to 15 feet deep to shale or clay loam, the anticipated <br />stratum immediately beneath the material to be mined. <br />1107 Main Street. Canon City, CO 81212 <br />www.envalternatives.com - e-mail: angela@envalternatives.com <br />Phone: 719-275-8351 <br />