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I ~ SECTION 2.05.4(2)(d) <br />TOPSOIL (REDISTRIBUTION) <br />Introduction <br />Western Fuels-Colorado's New Horizon 1 & 2 Mine is the old Peabody Coal Company's Nucla <br />and Nucla East Mine which operated under the same permit. Peabody (New Horizon 1 & 2) and <br />Intermountain Resource Inventories Inc. pertormed 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 <br />the reader to the revamped Peabody reclamation only permit application: Tab 9. When a <br />reference is made to a data sources in the Peabody documents, the word "Peabody" will <br />immediately precede 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 <br />land uses. The plan objectives are achieved by insuring that a sufficient thickness of suitable <br />spoilts replaced in the pit bottom and a minimum of four feet of suitable plant growth material, <br />including topsoil, exists on the surtace of graded lands prior to the commencement of <br />revegetation activities. The plan presents an account of the plant growth material and aquifer <br />medium requirements based upon current and projected disturbance acreage and plant growth <br />material and aquifer medium availability based on topsoil depth mapping and overburden <br />assessments. The plan also describes the procedural aspects of removal, storage, <br />redistribution, and testing of 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 <br />• (Revised s-ie-zoom 2.05.4(2)(d)- 1 <br />