2003-05-14_PERMIT FILE - M2003001

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The Operator will carry reclamation to completion with reasonable diligence, and each phase of reclamation shall be completed within five years from the date the Operator informs the Board or Office that such phase has commenced. Hall-Irwin will comply with the reclamation measures set forth in Section 3.1.5: • Grading will create a final topography that is appropriate the water storage reservoirs. • Grading will be performed to help control erosion and siltation of the affected lands. • Backfilling and grading shall be completed as soon as feasible after the mining process, • Any drill or auger holes that are part of the mining operation shall be plugged with non-combustible material, which shall prevent harmful or polluting drainage. • Maximum slopes and slope combinations will be compatible with the configuration of surrounding conditions and selected land use. Side-slopes will be compatible with specified MLRB standards. • Mined material to be disposed of within the affected area will be handled in such a manner so as to prevent any unauthorized release of pollutants to the surface drainage system. • Hall-Irwin will comply with applicable Colorado water laws governing injury to existing water rights and with applicable state and federal water quality and dredge and fill laws and regulations. • The Applicant will stabilize and protect all surface aeeas of the affected land, including spoil piles so as to effectively control erosion. • Hall-Irwin will comply with all standazds and conditions applicable to classified and unclassified groundwater. Hall-Irwin will protect the existing and "reasonably potential" future uses of groundwater. Hall-Irwin has applied for a well permit and required Temporary Substitute Supply Plan to augment evaporative losses from the ponds. • A11 aspects of the mining and reclamation plans have been designed to account for the safety and protection of wildlife on the mine site and at the processing area. • Topsoil shall be removed and segregated from other spoil. Topsoil stockpiles shall be stored in places and configurations to minimize erosion and located in areas where disturbance by ongoing mining operations will be minimized. Once stockpiled, topsoil shall be re-handled as little as possible. In those aeeas where revegetation is part of the reclamation plan, land shall be revegetated in a manner that establishes a diverse, effective, and long-lasting vegetative cover that is capable of self-regeneration without continued dependence on irrigation or fertilizer and is at least equal in extent of cover to the natural vegetation of the surrounding area. • Hall-Irwin will post appropriate signage at the entrance to the mine site. Hall-Irwin Corporation Page 18 of 35 ML1ZB 112 Permit Application