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2-16 <br />2.1.6 Resource Recovery <br />The operator proposes to continue extraction of portions of the Cameo Coal Seam <br />from within the permit area. Limitations on the amount of coal that will be recovered <br />will be based upon technological and economic feasibility. These limitations are <br />discussed in the following paragraphs. Operation of the mine during the next permit <br />term will mainly be in the area to the south of the existing mine, see Figure 2.1-1. <br />Specific limitations expected to be encountered are burn exclusion zones and fault <br />barrier pillars. Quantities of coal to be extracted or excluded during the next permit <br />term are shown in Paragraph 2.1.6.6. <br />2.1.6.1 Split Seam Areas <br />The Cameo seam exists as both a single and split seam within the mine plan area. <br />When evaluating the feasibility of mining multiple or split seams, a minimum <br />interburden of 50 feet is considered necessary. Mining will be performed primarily in <br />the upper seam. Mining in the lower seam is considered feasible in the northeast <br />corner of the permit area where the upper seam thins to less than 5 feet. Mining of <br />the lower split will require the necessary permit modifications. <br />2.1.6.2 Minable Seam Heights <br />As described, the Cameo Seam exists as both a single and split seam in the mine plan <br />area. The Lower Cameo has heights from 8 to 17 feet in the split seam area. The <br />Total Cameo Seam reaches 22 feet high. It is planned to mine coal from a minimum <br />height of 5 feet to a maximum height of 11 feet. 1n areas that are greater than <br />McClane Volume i February, 2002 <br />