2011-04-01_PERMIT FILE - M2010071 (8)

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6.4.4(x) Revised 1/27/2011 DRMS Quest # 3, 9 EXHIBIT "D" • MINING PLAN 6.4.4 The Mining Plan for the Goose Haven Reservoir #2 - Complex Expansion Pit is as follows: (a) Description of the methods of mining in each stage of the operation as related to any surface disturbance on affected lands: Mining methods will be consistent throughout the life of this mining operation. This will be an open pit mining operation. The post mining reclamation plan is developed water resource for the pit area. Other reclaimed areas will be for access roads and support facilities for the developed water resource. The remaining disturbed areas will be appropriately stabilized as discussed in the Reclamation Plan. Topsoil will be saved for use during reclamation, with any excess topsoil being used by the City of Lafayette on City projects or sold. Similarly, overburden will not be sold as product until it is determined by the Operator enough overburden has been stockpiled for reclamation use and possible use in the construction of the perimeter slurry wall, depending on suitability for slurry wall construction. Mining the resource will require construction of a slurry wall, dewater the mining area and "dry mine" the raw materials from the pit. (The excavated material will still have some level of moisture and will require • augmentation for evaporative losses.) SEVERAL SUMPS AND ASSOCIATED PUMPS WILL BE USED TO DEWATER THE MINING AREA. WATER FROM DEWATERING WILL BE PLACED IN GOOSE HAVEN #1 RESERVOIR. Primarily, scraper(s), front-end loader(s), excavator(s) and haul trucks will remove the overburden and aggregate. Material may then immediately be hauled to the crushing and screening plant (LOCATED AT THE PRODUCT STOCKPILE AREA), stored in the pit for later processing or stockpiled where indicated on the Mine Plan Map, Drawing 2. Mining will begin in the north end of Goose Haven Reservoir No. 2, called Phase 1 and will then move in a general direction to the south end of the Reservoir, mining each phase in order (Please see Mining Plan Map, Drawing No. 2). After each phase is completely excavated, the mining operator will begin aggregate extraction in the next phase. However, in order to provide for an uninterrupted mining operation, topsoil removal and overburden excavation may begin prior to complete excavation of sand and gravel in the preceding phase. (b) Earthmoving: Prior to mining each phase, topsoil will be stripped and stockpiled, followed by overburden excavation and removal from the site for placement to the west of Goose Haven Reservoir No. 2 in the overburden stockpile. Mined construction aggregate will be stockpiled at the Product Stockpile area located at the northeast portion of the mining operation (Please see Mining Plan Map, Drawing No. 2). Site access will also be at the northeast corner of the operation on to U. S. Highway 287. It will be used for transport of construction aggregate, excess overburden and •