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Description of the Operation and Reclamation Plans <br />The proposed Rimrock Mine permit area will be 38,7 acres. The acreage <br />disturbed during the permit term is not to exceed 19.6 acres. The permit term <br />will be five years. At this time it is not known if the mine will operate <br />beyond 1994. There is a second five year plan under consideration at the <br />present time, but no data has been generated for this extension. Coal will be <br />mined in the Rimrock Mine by strip mining methoas. Mining will be conducted <br />in the Engleville Seam which is found split into the upper and lower <br />Starksville seams in the nearby Raton Creek Mines. The Engleville Seam Ties <br />near the stratigraphic center of the Vermejo Formation. <br />It is anticipated that an average of 30,000 tons of coal will be mined <br />annually with a total of 150,000 tons mined for the five year period. Prior <br />to overburden stripping, topsoil will be removed from the pit area and stored <br />in accordance with the Division's requirements. Each mining working area will <br />be held to about 1.5 acres in size and will be completely restored and <br />revegetated (seeded) before another stripping begins. No more than 1.5 acres <br />will be exposed at one time. The initial boxcut overburden material would be <br />used to reclaim the last 1.5 acre stripped area. Thus there will only be a <br />temporary stockpi]e of overburden material from the initial cut. The <br />remaining disturbance which includes one sediment pond and the haul road, will <br />not be reclaimed but will be left in stable condition at the request of the <br />landowner. <br />Sediment and drainage control at the site will be accomplished by diversion <br />ditches and a system of road drainage and collection ditches and culverts <br />which direct disturbed runoff to a sediment pond at the base of the disturbed <br />area. <br />All coal processing equipment and power will be portable. The office, if <br />needed, and the bathhouse facility will also be portable and removed after <br />completion of the operation. <br />-5- <br />