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POWDERHORN COAL COMPANY <br />• <br />TABLE 7-7 <br />WATER DISCHARGE RECORDS -COLORADO RIVER <br />STATION NO. 955 <br />• <br />Period of Record - 1933 to current year <br />Water-stage recorder -elevation of gauge is 4813.73 feet <br />Average Discharge for 45 years - 3,801 cubic feet/second <br />Maximum Discharge - 36,000 cubic feeVsecond, June 16, 1935 <br />Minimum Discharge - 700 cubic feet/second, December 29, 1939 <br />Period of Record -October, 1977 to September 1978 <br />Maximum Discharge - 20,100 cubic feet/second, June 16, 1978 <br />Minimum Discharge - 1,120 cubic feet/second, January 3, 1978 <br />Source: Coal Mine Permit Application, Volume I, 1/82 <br /> <br />