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• It should also be clarified that consistent with Ivlap 6, Soils -South, there will be small areas <br />of rock outcrop, rocky steep slopes, etc. where the topsoil depth is 0 inches. Where this <br />occurs there will not be an attempt to recover topsoil or otherwise disturb the area before <br />disturbance by mining. <br />Colowyo does not plan to use overburden material for topsoil substitutes or as a supplement <br />to topsoil. Colowyo will remove topsoil before any mining operations commence and always <br />maintain a buffer zone between the area stripped of topsoil and the overburden drilling and <br />blasting operations.. As depicted on the Topsoil Handling Map (Map 28), the topsoil <br />handling program will result in an orderly sequence for the continuous removal, storage or <br />reapplication of topsoil. The redistribution of topsoil will be done at a time when the physical <br />and chemical properties of the topsoil can be projected from alteration while minimizing the <br />potential for erosion. <br />Topsoil and vegetation matter is windrowed during initial sediment pond construction then <br />typically re-spread onto the outslope of the pond embankment to facilitate revegetation and <br />erosion control. <br />The pond embankments are constructed utilizing in-place materials directly below the upper <br />topsoil zone. This colluvial material is "topsoil" in nature and will be utilized at a future date <br />for pond reclamation. Since the nature of the embankment material functions readily as a <br />topsoil material no additional topsoil will be required for final reclamation of the site. <br />• 4.06.3 Stora e <br />The estimated quantities of topsoil to be stockpiled are found in Section 2.05, Table 1, <br />Topsoil Schedule for Mining Area. As can be seen from this table, topsoil stockpiles exist for <br />support facilities and the mining area. All of the existing or proposed stockpiles result where <br />immediate redistribution will not be practical, either because redistribution areas are not <br />available at the time of topsoil removal, or because more topsoil is being <br />• <br />4.06-2 Revision Date: 6/18/02 <br />Revision No.: MR-57 <br />