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-.: III IIIIIIIIIIIIIIII <br />XBOW MINING INC. (c~~,~Z~~ ~ 3 j <br />January 11, 2000 <br />RECEIVED <br />Mr. Jon Kubic ~Eg 16 2040 <br />Colorado Department of Public Health & Environment <br />Water Quality Control Division Division of Minerals gGeology <br />4300 Cherry Creek Drive South <br />Denver, CO 80222-1530 <br />Re: CDPS Permit No. CO-0000132, Application for Addition of a New Surface Water <br />Discharge Point and Reinstatement of Surface Water Discharge Point 009 <br />Dear Mr. Kubic: <br />Oxbow Mining, Inc. ("OMI") requests an amendment to CDPS Permit No. CO-0000132 <br />to add a new Outfall (proposed No. 016) for surface water discharge from OMI's <br />proposed Sediment Pond D that wilt collect drainage from OMI's new Elk Creek Mine <br />facilities area. OMI also requests reinstatement of Outfall No. 009 for new Sediment <br />Pond At. The old Sediment Pond A, formerly located west of OMI's coal storage silo <br />and train loadout, had been removed about two years ago and surface drainage <br />controlled by best management practices per a small area exemption approved by the <br />Colorado Division of Minerals and Geology ("CDMG"). The CDMG has since approved <br />new Sediment Pond Ai , to replace (in the same location) former Pond A. The locations <br />of Ponds At and D are shown on the attached OMI facilities map, and are shown on a <br />second map, along with OMI's other CDPS outfall locations. <br />Pond Ai will be a small, incised pond and is designed to contain approximately 0.067 <br />acre-feet of storm water runoff to the level of the emergency spillway. Water from <br />occasional wash-down of the coal silo or train loadout buildings may also enter the pond. <br />The North Fork of the Gunnison River will be the receiving stream. <br />Pond D is designed to contain approximately 1.97 acre-feet of storm water runoff to the <br />level of the emergency spiilway. VJaier from this pond will be discharged into a <br />previously culverted segment of Elk Creek, which is tributary to the North Fork of the <br />Gunnison River. <br />Contact me at (970) 929-5834 should you have questions or require further information. <br />Sincerely, <br />,~~,~ ~~ <br />Kathleen G. Welt, <br />Environmental Supervisor <br />cc: andra Brown, CDMG <br />Mark Milner, OMI <br />Walt Wright, OMI <br />3 7 3 7 Hwy 1 3 3 P O Box 5 3 5 Somerset Colorado 8 1 4 3 4 USA r <br />TEL (9 7 0) 9 2 9- 5 1 2 2 FAX (9 7 0 ) 9 2 9- 5 1 7 7 <br />