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LEGEND <br />PERMIT BOUNDARY <br />SECTION LINE <br />POSTMINING DRAINAGE BOUNDARY <br />DO DRAINAGE NAME <br />DISTURBED LANDS AS OF DEC. 2011 <br />Note: For Culvert, Ditch, and pond sizing information, <br />see "Hydrology Information ", Exhibit 7. <br />Note: See Map 3.3 and 33A for Profiles of <br />Permanent Channels <br />Note: See Map 43 for Permanent Channel Locations <br />and Drainage Boundaries on Postmining Surface. <br />N <br />W <br />rMl <br />ENGINEER'S CERTIFICATION <br />J, THOMAS C. PETERSON, being a <br />Licensed Professional Engineer in <br />the State of Colorado, do hereby <br />certify that this map has been <br />reviewed by me and is true and <br />icorrect to the best of my knowledge <br />and information relying on work <br />,performed by others and based on <br />.information supplied by experts <br />identified in section 2.03.3 of the <br />Colowyo Coal Company L.P. Permit. <br />Temporary Drainage Ditch <br />Permanent Postmining Drainage Ditch, Constructed <br />Permanent Postmining Drainage Ditch, Future <br />Natural Drainage Channel <br />S <br />0 L I <br />32257 <br />��,�.••.�IZL°llZf <br />��i.�sSr .,..•��N� A4 <br />SMALL AREA EXEMPTIONS <br />M <br />0 <br />POSTMINE SMALL IMPOUNDMENTS <br />SEDIMENTATION PONDS <br />500' 0 500' 1000' <br />CONTOUR INTERVAL 25 FT. <br />FLIGHT DATE OCT. 2011 <br />P.E. No_ 32257 <br />DATE <br />R 93 W <br />