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iii iiiiiiiiiiiiiiii <br />• blue <br />ribbon <br />coal <br />company <br />February 18, 1982 <br />blue ribbon coal company <br />p.o. box 58 <br />delta, Colorado 81416 <br />(303)874-7561 <br /> <br />FE~s 19 1982 <br />Mined Land Reclamation <br />423 Centennial Building <br />1313 Sherman Street <br />Denver, Colorado 80203 <br />Attention: Tom Gillis <br />Dear Sir; <br />MINED LAND RECLAMATION <br />Colo. Dept. of Natural Resources <br />In regards to our recent phone conversation concerning the Blue <br />Ribbon french drain installation, enclosed is a copy of the Ute Engineering <br />design and the site geotechnical work done by Rocky Mountain Geotechnical. <br />It is customary that two graduation curves be established for filter <br />material, providing a filter material range, which Ute has not done but <br />will be provided in the near future. <br />It is also our intention to construct this french drain as soon as <br />the thaw will allow excavation at the site. <br />Sincerely yours, <br />~~~ ~~~~ <br />Marvin E. Adam <br />Chief Engineer - Delta Operations <br />MEA:mc <br />cc: B. Tate <br />