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• Loma Coal Hydrology <br />The hydrology for the Loma Coal Project for Sheridan Enterprises <br />was generated using the Sotl Conservation Service "Overland Flow Hydrographs" <br />method as assigned to mountainous terrain. <br />This methodology takes into account not only the immediate drainage <br />area, but a1T contributing basins. regardless of their specific influence <br />on the project site. <br />The mine entrance elevation was set, using the cumulative affect <br />of the computed Q's of both the 100 and 500 storm frequency events. <br />• <br />n <br />~- 7- _ <br />