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Revised 11/15/81 <br /> Auxiliary ventilation equipment is sometimes used in the underground <br /> operation to maintain proper ventilation and safe mining conditions at <br /> the active mining face. <br /> Once the coal is mined and transported from under ground to the surface, <br /> it is processed in a Bradford Breaker and crushed for loading into <br /> railroad cars. Equipment associated with the processing of the coal <br /> consists of the Bradford Breaker, and small end dump haulage trucks for <br /> disposal of the waste material . The waste material is hauled to a coal <br /> processing waste bank and spread in controlled lifts by small crawler <br /> tractors. Table 10, Mining Equipment List, shows the various types of <br /> equipment to be utilized during the permit term by the Maxwell Mine. <br /> Operation Description <br /> The surface facilities associated with the Maxwell Mine and their <br /> relationship to the underground operation are shown on the Mine Plan Map <br /> (Map 3) . These facilities are required for the safe and efficient <br /> operation of the Maxwell Mine. Construction and placement of the <br /> facilities was completed during 1976 prior to actual operation of the <br /> mine itself. CF&I Steel Corporation anticipates that the aerial extent <br /> of the surface facilities will not change in the term of the permit. <br /> Sufficient room for continued disposal of coal processing waste and <br /> other incidental structures is available within the current disturbed <br /> area. <br /> The underground workings which will be developed during the term of the <br /> permit are shown on the Mine Plan Map (Map 3). Annual advances have <br /> been estimated and are also shown on this Map, but may vary due to coal <br /> production requirements. Figure 1, Typical Stratigraphic Section, shows <br /> the existing stratigraphy of the area which will be affected during the <br /> permit term. <br /> 2.05-7 <br />