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acres; however, removal of seeded pre-law areas (21.7 acres) gives a total `to be seeded' <br /> disturbed area of 92.8 acres. <br /> Areas to the north include pre-1977 mine law lands that are in reclamation phase. Due to the <br /> lack of saved topsoil from earlier mining efforts, new topsoil will be created and added to pre- <br /> law areas. Reclamation will be considered complete once vegetation is established. <br /> Anticipated topsoil to be removed and stockpiled in undisturbed future mining areas amounts to <br /> 40,958.5 CY. Partially vegetated berms of overburden and waste fines exist in the northern and <br /> southern extents of the site as well as a large north-south trending berm along the western extent <br /> of the site. These berms contain 24,960 CY. The anticipated overburden in all unmined areas to <br /> be removed and stockpiled totals to 710,056.6 CY. However, estimates on overburden <br /> availability is highly variable due to the inconsistent thickness of the gravel deposit and <br /> overlying strata above the gold-bearing gravels and underlying bedrock. Estimates were based on <br /> the soils report and existing operations as of October 2017. <br /> All fines, topsoil, and overburden stock piles will be constructed to 2.5H:1 V slopes and will be <br /> seeded and mulched when they are in place over 180 days. The rangeland seed mix or quick oats <br /> found in Exhibit E will be used for seeding stockpiles when needed. <br /> 5. Flocculant Use <br /> The Alma Placer may use flocculant at times to improve the recycling process of wash water <br /> used in gold-bearing gravel processing. Flocculant is used in water recirculation systems in <br /> mining operations that involve significant material washing. A mild flocculant will be used to <br /> encourage quicker settling of suspended solids within settling ponds 1-4. Flocculant may be used <br /> in settling ponds E, F, G, and H to the same affect. The use of flocculant expedites the `drop-out' <br /> of sediment in process waters within recirculation ponds. Due to the high clay content of glacial <br /> debris and alluvium mined on-site, it is imperative to use flocculant to facilitate settling and thus <br /> separation of fine low-density clay sediments from desirable cobbles, gravels, and high-density <br /> gold. Several nearby placer mines in the area use flocculants to improve water recycling in their <br /> operations. <br /> Alma Placer Mine <br /> December 2017 D-11 <br />