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III IIIIIIIIIIIII III <br />STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Nafu rat Resources <br />131 J Sherman SI.. Room 215 <br />Denver, CO 80207 <br />Phone: (303) 866-3567 <br />FAX:13031832-8106 <br />November 12, 1993 <br />Phil Kessler <br />Kessler's Reclamation <br />P.O. Box 41 <br />Rockvale, CO 81244 <br />0 00~ <br />~~~ <br />.. <br />~ /B ]6 ~ <br />Roy Romer <br />Governor <br />Michael B. Long <br />Division Director <br />RE: G.E.C.- Orphan Pit- Bond Revocation Project; RN-COAL-MINES-8 <br />West Pit Diversion <br />Dear Mr. Kessler, <br />The West Pit Diversion Field Directive contained an error on the <br />rip-rap size. The correct rip-rap size for the West Pit Diversion <br />is: <br />Dm~ = 26.25 inches (2.188 feet) <br />D50 = 21 inches (1.750 feet) <br />DlQ = 7 inches (0.583 feet) <br />Enclosed, please find the revised West Pit Diversion Field <br />Directive. Please let me know the cost of constructing the <br />diversion ditch as soon as possible. <br />If you have any questions, please call. <br />Sincerely, <br />J <br />Erica S. Crosby <br />Project Manager <br />m:\coal\esc\gec\931112a <br />