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the access road and the last active mining area. The soil that was imported to the site <br />has been placed in a layer that is 1-4 feet thick. The soil was imported as an additional <br />quantity of soil to supplement the topsoil that has been salvaged at the Corey Pit for <br />reclamation of the site. _ <br />An estimate of the area that will require topsoil distribution was performed. The area <br />that requires topsoil was broken into smaller areas based on ease of map <br />measurement. The land area of each sub area was computed. The volume of topsoil <br />that would be required to cover each sub area with 6 inches or 12 inches of soil was <br />also computed. The map and table of areas and volumes is attached to this letter. As <br />you can see from inspection of the table a sufficient volume of soil is stored in the <br />existing stockpiles to cover the area with of 6 inches of soil. If additional depth of soil <br />cover is required, the soil that was imported from the airport was placed in a 1-4 foot <br />thick layer. Some of this material could be relocated to the parts of the permit where <br />additional soil cover is required. <br />Please contact me with questions or comments about this response. <br />Sincerely, <br />Richard Johnson <br />Resource Manager <br />Letter- Montrose County Weed Department <br />Calculations of stockpile volumes <br />Map and topsoil cover requirement table <br />