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EXHIBIT D <br /> MINING PLAN <br /> Tri-River recently transferred the existing 110(c) permit for the Yust Ranch Gravel Pit to <br /> Grand Gravel Pit, LLC. Grand Gravel Pit, LLC would like to expand the existing operational <br /> footprint to 41 acres from 9.9 acres and is therefore requesting a 112 permit. <br /> The removal of gravel deposits from the permitted area will begin at the west side of the <br /> existing pit face (permitted by the I I0(c)) moving west and north at a depth of 15-20 feet. <br /> The excavation and removal of this material will require a front-end loader and possibly a <br /> conveyor. The phasing will be market driven and will progress from east to west as shown in <br /> Exhibit C. We anticipate mining and/or processing up to 100,000 tons per year with the life <br /> of the reserve estimated at approximately 20-25 years. <br /> Equipment required for this operation will include: <br /> • Crushers • Stackers <br /> • Screens • Loaders <br /> • Feeders • Bulldozers <br /> • Conveyors <br /> Mining operations will not encounter groundwater as it will stay at or above the level of the <br /> adjacent pit. The majority of the existing haul road will be utilized for travel to, through and <br /> from the pit. One portion of the road will be mined and the alternate route is as proposed on <br /> the Mining Map in Exhibit C. <br /> Topsoil will be stripped at an average depth of approximately 4-6" and stockpiled on the <br /> northwest side of the permit area for reclamation. The stockpiles will be seeded to prevent <br /> erosion as described in the soil conservation report. <br /> Stormwater will be contained within the pit area using the backsloping grade directed at the <br /> back wall. <br /> YUST RANCH GRAVEL PIT <br /> 112 CONVERSION APPLICATION <br /> M 2000-014 Page 4 <br />