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999 <br />Doc Date:12/11/2001 <br /> <br />C I ~ ATTACHMENT 13-4E <br />SEDIMENTATION STRUCTURE 006 <br />PHASE V IDESIGNI <br />Seneca II-W Mine <br />r~ <br />LJ <br />Routt County Colorado <br />by <br />Seneca Coal Company <br />• <br />j.! o ~~'s <br />~o ; ~ <br />~ APR 14 2000 <br />S/ONA1. E~? <br />; • y- <br />Revised 04/00 <br />