1980-07-08_PERMIT FILE - M1974052

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i 5. The operator will grade and stabilize any surface area disturbed by this operation and revegetate the area, following the best information available. from qualified organizations or persons. 6. Operator will grade and stabilize the area affected by this operation by striking off ridges and peaks to a width of not less than fifteen (15) feet at the top. 7. Land stabilization and reclamation will be maintained for a period of three (3) years after all mining activities cease, and if the property is sold, leased, or trasnferred in any manner, the new owner, lessee, or person having control, must file a request. to succeed operator (LRB Form 7) with the Colorado Land Reclamation Board, and shall agree to be bound to the unexpired period of the three-year term. 8. Operator will monitor and control fugitive dust to kaep same in compliance with the dust emission standards set by the Colorado Air Pollution Control Commission. The operation is the wet pit type, which by itself limits dust generation. 9. Operator will maintain internal combustion engines to keep air pollution within the standards set by the Colorado Air Pollu- tion Control Commission. 10. Operator will erect warning signs ut least three hLnd:,e3 (300) feet on either side of point of ingress and/or egress to or from permit area to a posted and numbered thoroughfare. 11. An on-site identification sign not to exceed 4 ft. x 8 ft. (or 32 square feet) will be provided. Height of said sign shall not exceed 20 feet. It shall be unlighted. 12. Night and security lighting shall be provided. Lights shall be of a mercury vapor type mounted on poles not to exceed 35 feet in height. Adequate lighting will be provided to permit occasional evening operations. 13. The site is expected to be excavated in 10 years, with initial excavation starting on the west side of the site and proceeding easterly.