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<br />RIDER TO MINING PERMIT <br />Permit Date: February 12, 1998 <br />Permit No: M-97-058 <br /> <br />The following additional stipulations and conditions form an integral part of the foregoing permit: <br />Stipulation No. Description <br />1. The operator must do one of the following four options: <br />a. Provide an alternate reclamation plan which shows Phase 2 and 3 as groundwater lakes. The <br />operator will show evidence of compliance with [he Office of the State Engineer, Division of Water <br />Resources for this end use prior to exposure of groundwater in Phases 2 or 3. <br />b. Provide a design for the slurry wall done by a registered professional engineer. This design will <br />be incorporated into the permit as a construction quality assurance plan and will be enforceable by <br />DMG. Also, the Operator will provide a monitoring program for construction of the slurry wall <br />to assure it is constructed according to plan and will provide a testing program to determine if the <br />slurry wall is constructed properly. The Operator will provide a financial warranty for the amount <br />of 25 % of the construction cost of the slurry wall. No groundwater in Phases 2 or 3 will be exposed <br />prior to final construction of the slurry wall and written acceptance of the construction and quality <br />assurance/quality control report by DMG. <br />c. Provide a financial warranty in the amount sufficient [o backfill Phases 2 and 3 with earthen and <br />inert materials in the event [hat [he slurry wall fails. No groundwater in Phases 2 or 3 may be <br />exposed until the financial warranty is provided and approved by the DMG. <br />d. Provide a financial warranty to cover the cost of the construction of the slurry wall in [he event that <br />DMG is required to complete the slurry wall. no groundwater in Phases 2 or 3 may be exposed . <br />until the financial warranty is provided and approved by DMG. <br />MINED LAND RECLAMATION BOARD <br />COLORADO DEPARTMENT OF NATURAL RESOURCES <br />MICHAEL B. LONG <br />Division Director <br />M: W SABDCITEMPIMAP?9058.GSC <br />