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S� <br /> EXHIBIT D <br /> MINING PLAN <br /> This application proposes to permit 232.5 acres in between existing Kauffman operations, M-93- <br /> 024 to the west, M-85-216 to the north and M-78-327 to the south. It is expected to take 20 <br /> years to complete mining and an additional two years to complete reclamation. Once the <br /> resource is mined it will be hauled off-site to be processed on another permit held by the <br /> operator, M 78-327. Internal haul routes exist on the eastern portion of that current permit, north <br /> to the central area of M-85-216. <br /> The west half of the permit area consists of old lime settling basins used by the Great Western <br /> Sugar Beet Company for settling of the soils washed off the beets during processing. The east <br /> half of the area is pastureland and is currently used for cattle and llama grazing. <br /> Based on the current mining operations, the sand and gravel deposit is expected to be 9 to 10 feet <br /> thick. Topsoil and overburden in the west half ranges from 6 to 8 feet in depth(due to the settled <br /> lime and soils), while the topsoil and overburden in the east half is approximately 3 feet thick. <br /> Weathered claystone bedrock underlies the sand and gravel deposit. <br /> This new permitted area will be mined using dry mining procedures as is currently being done in <br /> the existing permits. Dewatering discharge points are shown on Exhibit C. Phase I covers the <br /> east half of the permit, with approximately 66 total acres being mined. First, approximately five <br /> to seven acres at a time will be stripped of topsoil and overburden. Based on an average depth of <br /> 3.5 feet of topsoil and overburden, it is estimated 372,000 cubic yards will be removed from the <br /> Phase I area. The topsoil and overburden will be used for backfilling of the site. Mining will <br /> begin in the southeast corner and progress west. As mining progresses, lime soils in the western <br /> portion (Phase II)will be stripped and used as backfill to return this phase to the original grade. <br /> Phase I is expected to take 8 to 10 years to complete the excavation. <br /> Phase II will be mined from east to west and south to north. This Phase comprises an area of 74 <br /> acres. It is expected that by the time mining begins in this area, most of the lime soils will have <br /> been removed over the topsoil and overburden that existed prior to the construction of the <br /> settling ponds. The actual topsoil and overburden in this phase is approximately two feet thick. <br /> As in Phase I, topsoil and overburden material from this phase will be stripped proceeding <br /> mining. The overburden will be used for additional backfilling in Phase I if needed, and <br /> backfilling of this phase . The Phase II area has approximately 239,000 cubic yards of topsoil <br /> and overburden to be used for reclamation. Phase II is expected to take approximately 10 to 12 <br /> years to complete. <br /> Phase III is the final phase. This phase will be reclaimed as a lined water storage reservoir. <br /> Phase III covers an area of 28 acres and is expected to take 4 to 5 years to complete. Mining here <br /> will progress from west to east. Again, the lime soils removed from this area will be used to <br /> complete the backfilling of the Phase II area if needed. True overburden and topsoil stripped <br /> from the Phase III area will be used for liner construction and reclamation. This area contains <br /> approximately 90,000 cubic yards of topsoil and overburden. <br />