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SubTerra, Inc. Peabody Twentymile Coal, LLC 03/16/2015 <br />Foidel Creek Mine <br />Permit Revision for Longwall Mining in the Wolf Creek Seam - Subsidence Evaluation <br />• Up -dip and down -dip draw angles of 200 which define the limits of subsidence in the <br />Study Area. <br />• Maximum surface strains less than -0.004 (compression) and +0.005 (extension). <br />As noted above, Peabody Energy has developed an extensive subsidence database from <br />monitoring lines positioned to measure start, transverse, and traveling subsidence profiles above <br />the Wadge Seam at the Foidel Creek Mine. <br />5 PN: 2013-26 <br />