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Sundance Sand and Gravel Resource, M-200G073 <br />Response to Adequacy Review 01 <br />February 20, 2007 <br />Page 3 <br />rights to developed water and augmentation uses. This reclamation plan <br />does not preclude post-mining use of the site for intensive agriculture. <br />Rather, the intent is to provide a resilient land cover for post-mining <br />economic use of the site in a variety of contingencies. Cattle currently <br />occupy the site, and cattle are an economically beneficial post-mining use. <br />2. Rule 6.4.5 (2)(c) Implementation of Reclamation Plan: <br />A. The property will be returned to rangeland with developed water storage. <br />Please see response to comment above regarding Type of Reclamation. <br />B. Below is some additional information and updates to the mining and <br />reclamation plans. The mining phases will be reclaimed as mining <br />progresses throughout the site. Activities will begin within the area <br />shown on the map as the processing area. <br />Processing Area <br />Within the processing area are the plants, fresh water and silt ponds. <br />This use will remain for the entire life of the mine and be reclaimed at the <br />end. This area will be reclaimed using the visual berms initially placed <br />around the perimeter of the processing area. <br />Phasel <br />Phase I mining will begin in the area shown on the map to be reclaimed <br />as rangeland. This will create a large open cell in which all of the <br />overburden from this area, along with the area to be reclaimed as water <br />storage, will be placed. A slurry wall will be constructed around the <br />perimeter of the water storage area prior to mining. It is estimated that it <br />will take less than 4 years to complete mining in this phase along with an <br />additional year for reclamation. In addition, the water storage area in <br />phase one will be stripped in multiple stages to minimize the amount of <br />disturbance at any one time. The water storage area will be mined to <br />the final reclaimed slopes. <br />Phase IIA <br />Phase IIA will be mined using standard stripping and dewatering sand <br />and gravel mining methods (stripping, perimeter trenched, dewatered, <br />and gravel extracted). It is anticipated that it will take up to 2 years to <br />complete mining in this area. This area will be backfilled with <br />overburden from Phase IIA and Phase IIB. It may take up to 3 years to <br />complete the backfilling of this area to complete the reclamation once <br />mining is completed in this phase. <br />