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• regrading, the topsoil (and subsoil) will be removed from stockpile and redistributed on <br />the graded surface. Prior to seeding and planting, the seed bed will be prepared by chisel <br />plowing or discing to alleviate any compaction resulting from redistribution activities. <br />The soil conditions following redistribution will be similar to pre-disturbance conditions. <br />Similar depths of topsoil will be replaced. Water holding capacity and porosity of the <br />reclaimed area should be essentially the same as found in pre-disturbance conditions. <br />Preparation of the seed bed and soil material will decrease the bulk density of the <br />material. Topsoil nutrient levels will be determined after the topsoil has been replaced by <br />sampling for nitrogen, phosphorus, potassium, organic matter, and texture. The <br />appropriate soil amendments will be added to the soil as necessary in consultation with <br />the Division. <br />The planned post-disturbance land use of irrigated agriculture will be <br />established. Measures for determining success of reclamation will <br />consist of comparison of the production of the reclaimed site with the production of the <br />adjacent irrigated agricultural land as shown on the Pre-Disturbance and Post- <br />Disturbance Land Use Map (Map 4) found in the earlier Terror Creek Company <br />submittal. During the 1983 growing season, production information for this reference <br />area will be gathered for comparison. Production information will consist of calculation <br />of the tons per acre of hay produced. The standard is based on production measured from <br />an adjacent hayfield reference area during the years 1984 and 1985. The production <br />• during those years was 2625 and 2813 pounds per acre respectively. Based upon the <br />production measured from the adjacent hayfield, the production standard for determining <br />revegetation success will be 2_7Q0 pounds per acre. <br />The material used as a base for stockpiling and handling of coal on the active pad site <br />will not be hauled from the pad area. During backfilling and grading this pad material <br />will be pushed to the north adjacent to the existing cut slope. The material will then be <br />covered by a minimum of four feet of colluvium. <br />Terror Creek Company has prepared this reclamation plan to ensure reclamation success <br />of the area. The techniques described above and <br /> <br />Rev,6-15-98 <br />Perniit Renewal 3 <br />/}I R-17 <br />