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RECEIVED <br /> MAY 16 1991 <br /> Mined Land <br /> Reoiamation Division <br /> Hydrologic Design of East Drainage <br /> Channel and Sediment Ponds <br /> Technical Revision 2 <br /> National King Coal Mine <br /> No. C-81-035 <br /> Durango, Colorado <br /> prepared by: <br /> Don R. May P.E. <br /> 735 E 7th Avenue <br /> Durango, CO 81301 <br /> May 1991 <br /> p REOINO <br /> 0..N..... <br /> ;c 23655 � <br /> ss�0NA►. <br /> Y.• <br />