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• <br /> <br />Mr. Robert C. Campbell <br />Colorado Division of Natural Resources September 24, 1979 <br />-4- <br />In addition to the revised channel design presented above, Cotter will widen <br />the channel to approximately 50 ft. at the interface between the toe of the <br />overburden pile and the undisturbed soils immediately adjacent thereto. <br />Very truly yours, <br />C N~ <br />Timothy C. mith <br />Supervising Environmental Engineer <br />TCS/bp <br />