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• OSection 2.05.4(2)(d) <br />Topsoil (Redistribution) <br />Introduction <br />Western Fuels-Colorado's New Horizon 1 & 2 Mine is the former Peabody Coal Company's <br />Nucla and Nucla East Mine which operated under the same permit. Peabody (New Horizon 1 & <br />2) and Intermountain Resource Inventories Inc. performed detailed soils and overburden <br />studies at the New Horizon 1 & 2 mine areas (formerly called the Nucla and Nucla East mine <br />areas respectively). <br />This section outlines WFC's plan for removal, storage and redistribution of topsoil, subsoils and <br />other material, to meet the requirement of Section 4.06. The plan addresses those reclamation <br />activities that are conducted during and immediately after backfilling and grading (Section <br />2.05.4(2)(c)), but prior to revegetation (Section 2.05.4(2)(e)). The objectives of the plan are to <br />• reconstruct plant growth and aquifer mediums that are capable of supporting the postmining <br />land uses. The plan objectives are achieved by insuring that a sufficient thickness of suitable <br />spoil is replaced in the pit bottom and a minimum of four feet of suitable plant growth material, <br />including topsoil, exists on the surface of graded lands prior to the commencement of <br />revegetation activities. The only exception to this rule is the WFC property in the far northwest <br />corner of the permit, which will be reclaimed to rangeland. In this area, the Bench 1 suitable <br />subsoil is thinner and a total of 3.5 feet of suitable plant growth material will be specified for this <br />area. The plan presents an account of the plant growth material and aquifer medium <br />requirements based upon current and projected disturbance acreage and plant growth material <br />and aquifer medium availability based on topsoil depth mapping and overburden assessments. <br />The plan also describes the procedural aspects of removal, storage, redistribution, and testing <br />of topsoil materials. <br />• (Revised Nov 2008) 2.05.4(2)(d)-5