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EXHIBIT D -RECLAMATION PLAN <br />Post-Mining Land Use <br />The post-mining land use proposed in this Reclamation Plan is rangeland. This <br />use is compatible with the surrounding land uses. <br />Reclamation activities will commence once the amount of sand and gravel <br />needed for the I-25 expansion has been excavated from the site. Next, a compacted liner <br />will be constructed around the perimeter of the pit to seal the excavation and insure that <br />no alluvial groundwater enters the pit. Reclamation, including liner construction, site <br />grading and seeding will be completed in 3 to 6 months following the completion of <br />excavation operations <br />Reclamation Measures -Material Handling <br />Site reclamation measures aze illustrated on the Exhibit D- Reclamation Plan <br />drawing. All pit walls will be lined and compacted using stockpiled overburden and <br />topsoil. Slopes will be no steeper than 3H:1 V. Topsoil will be spread over the surface of <br />the regraded slopes and the topsoil-covered surfaces will be revegetated. <br />Disturbed azeas associated with will be scarified, covered with topsoil, and <br />revegetated. <br />Site grading will be performed to create stable topography that will be consistent <br />with post-closure land uses. <br />Water <br />Overburden and mine materials will be inert and impacts to local surface water or <br />groundwater quality aze not anticipated to occur as a result of the development or <br />reclamation of the Camenish Borrow operation. Flatiron will comply with all applicable <br />Colorado State water laws and regulations. Groundwater depletions will be replaced <br />through an approved Substitute Water Supply Plan (SSP). <br />