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SECTION 2.05.4(2j(dj <br />TOPSOIL (REDISTRIBUTION) <br />Introduction <br />Western Fuels-Colorado's New Horizon 1 & 2 Mine is the old Peabody Coal Company's Nucla and <br />Nucla East Mine which operated under the same permit. Peabody (New Horizon 1 & 2) and <br />Intermountain Resource Inventories Inc. performed detailed soils and overburden studies at the <br />New Horizon 1 & 2 mine areas (formerly called the Nucla and Nucla East mine areas <br />respectively). Rather than duplicate large quantities of soils and overburden data, WFC refers the <br />reader to the revamped Peabody reclamation only permit application: Tab 9. When a reference is <br />made to a data sources in the Peabody documents, the word "Peabody" will immediately precede <br />the reference. <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 land <br />uses. The plan objectives are achieved by insuring that a sufficient thickness of suitable spoil is <br />replaced in the pit bottom and a minimum of four feet of suitable plant growth material, including <br />topsoil, exists on the surface of graded lands prior to the commencement of revegetation <br />activities. 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 of <br />topsoil materials. <br />New Horizon 2 Overburden and Interburden Characteristics <br />Overburden and Interburden characteristics for New Horizon 2 are presented in Section 2.04.6, <br />Geology Description. Overburden and Interburden suitability and lithologic units for New Horizon 2 <br />described in Section 2.04.6 are very similar to the shallow overburden units at the New Horizon 1 <br />(xe~ieea is Nom oz) 2.05.4(2)(d)- 1 <br />