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Section 2.05.4(2)(d) <br />Topsoil Redistribution <br />Table of Contents <br />Introduction 1 <br />Overburden Spoil Handling Plan 1 <br />NHN Overburden and Interburden Characteristic 1 <br />Acid and Toxic - forming Materials at NHN 2 <br />Regraded Spoil Monitoring Program 4 <br />Unsuitable Spoil Mitigation Plan 4 <br />NHN Spoil Compatibility and Erodibility 5 <br />NHN Mine Topsoil Management Plan 7 <br />Evaluation of Topsoil Resources 8 <br />Topsoil Salvage Depths 11 <br />Topsoil Stripping 12 <br />Topsoil Salvage Techniques 16 <br />Topsoil Storage 17 <br />General Topsoil Replacement 19 <br />Table <br />Table 2.04.5.4(2)(d) -1: Criteria for Evaluating Soil Suitability <br />(Revised with NRCS 2008) <br />Appendix <br />Appendix 2.05.4(2)(d) -1 Effects of Topsoil and Subsoil Thickness on Soil Water Content and <br />Crop Production on a Disturbed Soil <br />Appendix 2.05.4(2)(d) -2 Energy Mine Topsoil Segregation Study <br />Appendix 2.05.4(2)(d) -3 The Effects of Soil Depth and Other Soil Characteristics on Plant <br />Community Development in North Dakota <br />10 <br />January 2012 <br />