2004-05-21_REVISION - M2000158 - Laserfiche WebLink

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Exhibit E RECLAMATION PLAN The following amendment to the Reclamation Plan is numbered sequentially for the purposed described in the Mining Plan text. Currently the post mining land use is Recreation and Wildlife which we propose to change to Developed Water Storage for the lake area and no change to the wildlife designated areas. The approved reclamation plans, including resoiling, revegetation methods and species, will remain unchanged on the existing permit areas. We will use the revegetation and resoiling methods approved in the permit around the lakes. AMENDMENT 2 - Final land use. The proposed end use will change from Recreation to devel- oped water storage for the lakes and wildlife on the areas along the river. When mining is complete the sealed lake-area will be filled with water and the above water area will be revegetated using the approved plan. In the existing permit area the lake slopes plan was to have 3:1 slopes from 5 feet above to l0 feet below and 2:1 from there down. Because we are developing water storage and the lake elevation will vary as the lakes are utilized they will be mined 3:1 from the existing surface level to the mine floor. Reclamation Timetable No change Exhibit F -RECLAMATION PLAN MAP The existing Reclamation Plan Map remains unchanged since it shows how the site will look when reclaimed. AMENDMENT 3 - New map exhibits. Attached are two maps Exhibits F-1 and F-2 showing the location of the slurry wall that will surround Longhorn Lake and the northern part of Sharkey's Lake. We estimate that it will take two years to complete the Longhorn Lake and 5 years for the Sharkey Lake area. initially the slurry wall will be installed around the Longhorn Lake, it will be stripped and dewatered. Since these are the first two areas to be mined we feel providing larger scale maps would help when reviewing this amendment. Once these areas are done, plans will be made for the remaining lake areas. A Technical Revision(s) will be filed once we know what changes will be needed to update the groundwater impacts and lake configurations for the rest of the mine area.