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-20- <br />VIII. PROBABLE HYDROLOGIC CONSEQUENCES OF MINING AND CUMULATIVE HYDROLOGIC <br />This Cumulative 1ydrologic Impact Study (CHIS) for the drainage basin of the <br />North Fork of the Gunnison River has been prepared by the Colorado Mined Land <br />Reclamation Division (CMLRD) pursuant to Rule 2.07.6 (2 )(c ). This CHIS <br />assesses the probable cumulative hydrologic impacts of all anticipated coal <br />mining operations upon the general area of the Narth Fork of the Gunnison <br />River Valley. Included in this assessment are all existing coal mines and <br />those proposed coal mines for which permit applications have been submitted to <br />the Division. This study has been prepared using information and analyses <br />contained in the Orchard Valley Mine permit application, information and <br />analyses contained in other permit applications for mines located in the <br />general area and other available information including site visitation by <br />members of the Division staff. <br /> Table 1: Permitted Mines in the CHIS Study Area <br /> <br /> Disturbed/ 1987 <br /> Affected Produc- <br /> CML RD Area ti on <br />Mine Operator Number Ty pe* Status* (Acres) (tons) <br /> <br />Hawk's Nest Western Slope L-81-016 UG A 29/517 - <br />• Carbon, Inc. <br />Mt. Gunni- West Elk C-80-007 UG A 120/4220 499,086 <br />son No. 1 Loal Lo. <br />Somerset Kaiser Steel C-81-022 UG TC 57/2775 - <br />Bear Bear Coai Co. C-81-033 297,828 <br />No. 1 d 2 UG R 19/1360 <br />No. 3 UG A 25/406.7 <br />Blue Ribbon Blue Ribbon C-81-047 UG R 17.6/340.8 - <br /> Coal Co. <br />Terror Creek Terror Creek L-83-059 LO A 13/19.52 - <br /> Company <br />Orchard Colorado C-81-038 UG A 142.3/3422 454,919 <br />Valley Westmoreland, <br />• Inc. <br />* "UG° - Underground, "LO° Loadout <br />+ °A' - Active, "TC" - Temporary Cessation,"R" - Reclaimed <br />