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<br />© T a r r a M a t r i x <br />i_ MONTGOMERY WATSON <br />Mining Group <br />C~ ; ~--L-- --- -'- <br />RECEIVED <br />September 29, 1997 <br />OCT ~ 2 1997 <br />i~it~isi~n ~i n inPra:F. ~. ~:rclcry <br />Mr. Steven E. Westbay <br />Gunnison County Planning Department <br />200 East Virginia <br />Gunnison, Colorado 81230 <br />(970) 641-0360 <br />Re: Oxbow Carbon & Minerals, Inc. -Somerset and Sanborn Creek Mines, Application for <br />Land Use Change - "C" Gulch Ventilation Shaft <br />Deaz Mr. Westbay: <br />Accompanying this transmittal is the Land Use Change Application and supporting <br />materials for Oxbow Cazbon & Minerals, Int.'s (Oxbow) proposed construction of a new <br />mine ventilation shaft as we discussed on the phone. The accompanying application <br />package includes the following components: <br />• Check for Application Fee <br />• Land Use Change Application <br />• Supporting Exhibits <br />• Supporting Map <br />As a result of recent concerns over methane levels in active working azeas and in view of <br />progressive mine development plans, Oxbow has commissioned a mine ventilation study to <br />evaluate overall mine ventilation requirements. Preliminary information from the <br />ventilation study resulted in deferral of construction of the emergency methane <br />degassification borehole (Conditional Approval -Gunnison County, 7/9/97). Final results <br />of the study will determine the need for and locatio^ of any required degassification <br />borehole(s) and whether the proposed ventilation shaft will be an open intake shaft with <br />steel frame and expanded metal cover or a complete ventilation installation with fan, <br />housing, and associated control and monitoring systems. We aze proceeding with plaruting <br />and permitting of supplemental ventilation facilities concurrently with the ventilation study <br />to provide for timely implementation of ventilation modifications once the study is <br />completed. <br />P.0 Box 774018 Tel: 970 879 fi260 Sarvrn9 me hVorld's En crrunme mar Nee Js <br />7475 Pine Grove Road Fax' 970 879 9046 <br />Sieamhoar Springs, Colorado <br />soar <br />