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Delta County Whiting Pit <br />DMG 1 l2 Application <br />Exhibit E- Reclamation Plan <br />d) Topsoil and overburden from Phase 1 will be stockpiled in the draw northeast of the Phase 1 <br />mining area in sepazate stockpiles. Overburden will be stabilized by compaction with the <br />moving equipment. Topsoil stockpiles will be stabilized by broadcasting the seed mix as <br />described in 3.1.9 above. Overburden and topsoil from Phase 2 will be accessible for backfilling <br />and final grading of Phase 1. The topsoil will be spread after final grading and ripping of <br />overburden. Re-vegetation will be done according the details described in (f) below. <br />e) Mining in Phase 1 will begin 20 feet from the western boundary and move east and south towazd <br />G road. The 3:1 (h:v) slope along the western limit of Phase 1 will be created in the first yeaz of <br />mining. The pit floor will be maintained at final grade as mining progresses. Phase 1 is about 14 <br />acres of gravel and is expected to take 3 to 5 years to mine. As Phase 1 nears completion of <br />mining, topsoil and overburden will be stripped from the beginning of Phase 2 where it intersects <br />G Road, and spread on Phase 1 from west to east. Phase 1 is expected to be backfilled and <br />graded within 2 years of completion of mining. Seeding will take place in the fall after final <br />grading of Phase 1. Phase 2 will be backfilled and graded generally from west to east as soon as <br />practical after mining has progressed so as not to cause disturbance of reclaimed azeas. The pit <br />floor of Phase 2 will be maintained at the final slope as mining progresses. Phase 2 is <br />approximately 50 acres of gravel and is expected to take 13 to 15 years to mine. The final <br />backfilling and grading of Phase 2 will use the stockpiles of overburden and topsoil that were <br />stripped from Phase 1 and stored in the draw. The borrow areas will be reclaimed at the same <br />time as the last of Phase 2. We anticipate removing only about 24 inches of usable material from <br />the borrow areas. Final reclamation of the entire site is expected to be completed within five <br />years of completion of mining activity. <br />f) (i) Final grading will leave a 3:1 slope from original ground level down about 10 feet to the <br />reclaimed ground level where the property line crosses the mesa top. The reclaimed ground level <br />will mirror the original ground slope which is generally northeast to southwest and from the center <br />of the mesa to the neazest drainage on the flanks at about 1 % slope or less. <br />(ii) The reclamation plan uses recommendafions from the Natural Resources Conservation <br />Services and some suggestions of DMG staff that were used on the same type of soils and terrain <br />at another gravel mining site neazby. The seed will be drilled, at the rate indicated below, or <br />broadcast at twice the dilled rate, between October 25 and Apri13Q after replacement of topsoil <br />on reclaimed azeas. Straw mulch will be crimped into the soil with tracked equipment at a rate of <br />1 ton/acre after seeding. <br />Proposed seed mix <br />S ecies Drilled Ibs/ac Broadcast lbs/ac <br />Western Wheatgrass 4.0 8.0 <br />Yellow Sweet Clover 1.0 2.0 <br />Crested Wheatgrass 1.0 2.0 <br />Four-wing saltbush .5 1.0 <br />Shadscale _5 1_0 <br />Total 7.0 14.0 <br />(iii) Fertilization will be done in the second yeaz after seeding. Appropriate fertilizer and <br />application rate will be determined by soil test prior to application. <br />(iv) There will be no trees planted with this reclamafion plan. <br />(v) Topsoil will be replaced on the 3:1 slopes, and in the pit floor at a depth of 4 to 8 inches. <br />