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MID-CONTINENT RESOURCES, INC . <br /> LOADOUT FACILITY - SEDIMENTATION POND <br /> 1. General Data <br /> Site Location - Mid-Continent Resources , Inc . , Unit Train <br /> Loadout facility. SW Corner , T. 7 S. , R. 88 W. , 6th P .M. , <br /> Garfield County, Colorado <br /> Average Elevation - 6, 230 feet <br /> Drainage - Roaring Fork River, which is a tributary to the <br /> Colorado River. <br /> Reference - U. S. Soil Conservation Service 1977 - <br /> Procedures for Determining Peak Floras in Colorado <br /> 2. Drainage Area (Fig. 1) <br /> Length - 220 ' <br /> Elevation - Max. 6248 ' <br /> Min. 6212' <br /> Change in Elevation 36 ' <br /> Average Slope - 17% <br /> CN - 89 * <br /> 3. Precipitation Data <br /> Storm 24-Hour Rainfall <br /> 100-yr 2. 6" <br /> 2 S-yr 2. 211 <br /> 10-yr 1 . 8" <br /> S-yr 1 . 6" <br /> *Note: The curve number of 89 was determined by the local <br /> j soil conditions . The paved area is treated as roadway and <br /> drainage from it does not for the most part enter the pond . <br /> rr <br /> T"f - `' 10 <br />