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• ~ • ESHIBIT D - MINING PLAN INTRODIICTION The mining operation will be an open pit sand and gravel mining operation. The permit boundary will include a borrow area that was excavated at the time of construction of the City of Colorado Springs Nixon Power Plant. The proposed mining plan will begin at the north end of this borrow area and then continue to the north, northeast, and east. The borrow area will be reclaimed as part of this mining permit. The City Water Department is currently mining sand and gravel under MLRD Permit No. M-86-017. This existing pit is located approximately one-half mile to the west of the pit proposed under this application. Over the next year the City plans to complete mining operations at the existing pit because materials suitable for our construction needs have been .mined out. The land upon which this site is located is owned by the City of Colorado Springs at its Hanna Ranch Property. The facilities at the Hanna Ranch Property are operated by the Colorado Springs Utilities and include an existing power plant and water treatment plants (see Index Map). Access to the proposed mine site is via paved and gravel roads that are currently part of the Utilities operations. The gravel access road•to the site will remain after the pit area is reclaimed as access to the U.S.B.R. right-of-way for maintenance and repair of the Fountain Valley Authority Pipeline. The proposed site contains materials that will be used for construction and installation of pipelines and other facilities for the City~s Utilities operations. The material will be mined and processed as required to meet various project construction specifications. The mining site contains approximately 50.68 acres and will be mined in approximately 5 acre increments. • Approximately 14.5 acres of the 50.68 acre permit area will be reclamation of the old borrow pit. The area of major disturbance is approximately 32.9 acres for the proposed mining.