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TABLE 783 . 16- 7 <br /> FLOOD DISCHARGES FOR COAT. CREEK <br /> AND M&JOR 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 a 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 a 1. 1 sq.mi. <br /> Mean elevation a 10,26" <br /> Based on Method by Patterson & Somers , 1966 <br />