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_ TABLE 783. 16- 7 <br /> FLOOD DISCHARGES FOR COAL CREEK <br /> AND MAJOR TRIBUTARIES <br /> FLOOD FREQUENCY IN YEARS <br /> STREAM DRAINAGE 1.1 . 2 5 10 20 50 <br /> COAL CREEK at REDSTONE <br /> Basin area - 26. 6 sq.mi. 266. 5 390 533 574 656 779 <br /> Mean elevation - 9392' <br /> DUTCH CREEK 81. 25 119 162. 5 175 200 237 . 5 <br /> Basin area - 4.4 sq.mi. <br /> Mean elevation = 9881' <br /> BEAR CREEK 45.5 66.5 91 98 112 133 <br /> Basin area 2.3 sq.mi. <br /> Mean elevation - 9562' <br /> PORCUPINE CREEK 52 76 104 112 128 152 <br /> Basin area = 2.4 sq.mi. <br /> Mean elevation 10,082 ' <br /> OILWELL CREEK 32. 5 47 . 5 65 70 80 95 <br /> Basin area 1.1 sq.mi. <br /> Mean elevation 10,266 ' <br /> Based on Method by Patterson & Somers , 1966 <br /> w_,rv1 <br />