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Response to DRMS Adequacy Review — Cotter JD -8 Mine Reclamation Plan Amendment <br />anticipated to last for approximately six years of production and development activities. <br />The lower mine waste area encompasses twelve acres of affected area. <br />It is anticipated that portions of the lower mine waste area will have reclamation started <br />following six years of production and development activities. Once the ore storage pad <br />and personnel access to the mine is no longer required building demolition and final re- <br />contouring and seeding will be done. This is anticipated to take less than twelve months. <br />The vent holes will be closed and the areas seeded within a few months after production <br />activities have been completed and it is determined they are no longer required. <br />The main ore deposit is located in the Salt Wash Member of the Morrison Formation, <br />which consists of interbedded fine - grained sandstone and mudstone. The uranium and <br />vanadium mineralization occurs in bands that range in thickness from a few inches to <br />more than six feet. The average ore thickness is from 2.5 to 3.5 feet. The ore body is <br />located from 500 to 700 feet below the top of Monogram Mesa. <br />Uranium and/or Vanadium mineralized rock are the primary products that will be mined <br />at the JD -8 Mine. At this point in time there are no other expected incidental products <br />that will be produced at this mine <br />Explosives have been used at this mine to advance mine workings, and are a planned part <br />of the ongoing mining process here. <br />During the operation of the mine less than 1,320 gallons of fuel and oils will be stored on <br />the property. The fuel tank will be located within a bermed and lined catchment. The <br />oils stored on the surface will be located within a bermed and lined catchment. <br />Page A -13 <br />