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IIIIIIIIIIIIIIIIIII <br />999 <br />'~YU \ 5731 State Highway 13 <br />C 0 ~ ~ ~ ~~ Meeker, Colorado 61641 <br />13031624-4451 <br />COMPANY L.P. ~~ <br />April 6, 1994 <br />Ms. Janet Binns p~CFIVcI~ <br />Environmental Protection Specialist qpR <br />Colorado Division of Minerals and Geology p ~J9g <br />215 Centennial Building p/•.;,; Q <br />1313 Sherman Street "'~~c!p~r,~eG` <br />Denver, Colorado 80203 ~~•`„ <br />~.;~~~ <br />RE: Permit C-81-019 <br />Colowyo Coal Company <br />Technical Revision No. 25 <br />West Pit Pond As-Built Map and Certification <br />Dear Janet: <br />Enclosed, please find a copy of the above mentioned as-built <br />map. Volumetric calculations show that both sediment capacity and <br />water storage capacity exceed the design sizing. <br />The as-built map and certification for both the Sediment Sump <br />and Washbay Pond are pending following additional construction <br />modifications to the dam deemed necessary by the professional <br />engineer overseeing the pond construction. <br />Thank you for your attention in this matter, please call if <br />any questions arise. <br />Sincerely, <br />~!//1/ (J/~JfC/~9 <br />Juan Garcia <br />Hydrologist/Environmental <br />Engineer <br />btb <br />xc: R. G. Atkinson <br />Central Files <br />