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Mr. Jim Herron <br />( Page 3 <br />\_ <br />of total suspended solids or other pollutants discharged into <br />ground or surface waters as compared to such discharges that <br />occurred prior to mining or that would occur if the roadways <br />and mine portal pads were removed. Since all water originating <br />in Coal Basin, beyond that absorbed by the shallow topsoil <br />or retained in underground aquifers, eventually makes its <br />way into Coal Creek and on to the Crystal River, the total <br />volume of flows from the permit area will not vary in a way <br />that adversely affects the ecology,of any surface water or <br />any existing or .planned use of surface or ground water. <br />The owners of the surface lands within the permit area are <br />Mid-Continent Resources, Inc. and the U. S. Forest Service. <br />This special request by Mid-Continent is offered as proof <br />that it has "knowingly requested, in writing, as part of the <br />application, that a variance be granted." The U. S. Forest. <br />Service request is attached as Attachment No. 1. <br />The proposed reclamation operations will be conducted in <br />compliance with the requirements of 4.27.4 as herein de- <br />scribed. As outlined in Chapter V of this permit applica- <br />tion, all highwalls in the permit area will be backfilled to <br />the extent possible with all spoil material available in a <br />manner which results in a static factor of safety of at <br />least 1.3 using standard geotechnical analysis. The water- <br />. shed control of the area within which mining occurs will be <br />improved by reducing the peak flow from precipitation or <br />thaw and by reducing the total suspended solids or other <br />pollutants in the surface water discharge during precipita- <br />tion or thaw. The total volume of flow shall not be altered <br />in such a way that adversely affects the ecology of the <br />surface water on any existing or planned public or private <br />use of surface or ground water. No land above highwalls <br />will be disturbed. <br />Upon receipt of approval of this variance request, the <br />permit shall be specifically marked as containing a variance <br />from approximate original contour. <br />Sincerely, <br />George E. Wear <br />Director, Special Projects <br />GEW:rm <br />C Enclosure <br />36 <br />