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TABLE 7-31 • <br />Predicted Mean Annual Discharge and Peak Discharge for <br />Select Recurrence Intervals for Drainages in and <br />Proximate to the Seneca II-W Mine. <br />Discharge Watering <br />Characteristic 005 006 Sage Hubberson Trough Dry <br /> 1 2 3 4 5 6 <br />(cf s) Gulch Gulch Creek Gulch Gulch Creek <br />Annual Mean 0.230 0.408 1.94 1.82 .939 3.12 <br />2-Year Peak 9.8J 13.3 41:5 44.2 31.0 79.8 <br />5-Year Peak 17.0 22.7 68.5 72.8 51.6 129 <br />10-Year Peak 22.3 29.6 87,6 92.9 66.2 163 <br />25-Year Peak 29.4 38.9 113 120 85.8 208 <br />50-Year Peak 35.0 46.1 132 140 101 242 <br />100-Year Peak 40.7 53.5 152 161 116 277 • <br />1 <br />Determined for the watershed above the confluence with Dry Creek. <br />2 <br />Determined for the watershed above the confluence with Hubberson Gulch. <br />3 Determined for the watershed above a proposed surface water monitoring site located <br />approximately one mile below the Sage Creek Reservoir. <br />4 Determined for the watershed above the confluence with Watering Trough Culch. <br />5 Determined for the watershed above the confluence with Hubberson Gulch. <br />6 Determined for the watershed above Site SW-52W-SGS. <br />C <br />94 <br />