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Phase Overview <br />Mine phases depicted in Exhibit C Mining Plan are used to indicate the direction of mining. <br />Mining will be completed within the current extraction area of Cell 3 of the existing permit <br />boundary. That portion of Cell 2 which lies within the existing permit boundary and the <br />amendment properties will be mined in three phases as identified on Exhibit C. The Cell 5 <br />processing area will be mined at the end of the life of mine. These phases are neither <br />representative of the maximum area of disturbance nor do they limit disturbance to a <br />particular phase. <br />As mining within the currently active portion of Cell 3 within the existing permit boundary is <br />being completed, Phase 1 of Cell 4 will be stripped of overburden to the sand and gravel <br />layer below. Material will be conveyed to the existing processing plant. Existing asphalt <br />plant, concrete batch plant, and recycling activities will remain in the historic locations. <br />Excess silts and overburden are placed concurrent with mining to restore slopes and <br />create additional wetlands. <br />In order to gain an understanding of the extent of the mining operation, each aspect of the <br />mining operation is listed in the following table. The table illustrates a point in time where <br />the mining disturbance is projected to be at its maximum. <br />Aspect Mining Operation <br />A. Stripped overburden and topsoil in anticipation of mining <br />B. Dewatering trench, 900 x 150 ft <br />C Active mine face with 'h H:1 V slope, 500 x 20 ft <br />D. Exterior cell wall being backfilled/sloped 3H:1 V, 500 x 80 ft <br />E. Topsoil and overburden stockpiles <br />F. Lakeshore/Upland top soiling and seeding, 1000 x75 ft <br />G. Settling ponds/backfilled wetland area seeding <br />H. Roads/conveyors <br />1. Existing processing area <br />Total Disturbed Area <br />Equipment and Facilities <br />Disturbed Area (acres) <br />3.0 <br />3.0 <br />.25 <br />1.0 <br />2.0 <br />1.75 <br />20.0 <br />2.0 <br />20.0 <br />53.0 <br />There are no permanent structures associated with the mining, with the exception of pre- <br />existing buildings located within the existing permit boundary which are used for office and <br />storage. Types and numbers of temporary equipment and facilities vary from time to time <br />and include but are not limited to the following: <br />Processing Equipment <br />Riverview Resource <br />Amendment to Permit M1999098 112c <br />Page D4 of D6