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<br />APPENDIX III <br />Table 1 <br />Definitions: From rule 4: Performance Standards, Regulations of the Colorado Mined Land <br />Reclamation Board for Coal Mining, Colorado Division of Minerals and Geology <br />Topsoil: 4.062(2b):" topsoil is defined as soil horizons on the surface prior to mining that will support <br />plant life." <br />Subsoil: 4.06.2 (3):" The B horizon and portions of the C horizon, or other underlying layers <br />demonstrated to have qualities for comparable root development shall be segregated and replace as <br />subsoil" <br />• <br /> <br />