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Table 2 (Con't) <br />Summary of Surface Water Monitoring Sites <br />for Nucla and Nucla East Mines, <br />Montrose County, Colorado <br />Site Name Drainage <br />Mine (Computer No.) (See Exhibit 7-8) Type of Flow Measurement and Remarks <br />Nucla NPDES 006 Mid West Return Bucket and stopwatch <br />(DA0006) Ditch <br />Highwall Spring Mine Pit Bucket and stopwatch, portable cutthroat flume or visual <br />(BA9001) estimate of the most consistently discharging portion of the <br />spring/seep <br />m <br />~o <br />a <br />0 <br />w <br />0 <br />rn <br />V <br />Spoil Spring H1 Tributary to West Bucket and stopwatch, portable cutthroat flume or visual estimate <br />(BA0001) Return Ditch of the most consistently flowing portion of the spring/seep <br />Spoil Spring N2 50 Yards 4lest of Bucket and stopwatch, portable cutthroat flume or visual estimate <br />(BA0002) Spoil Spring pl of the most consistently flowing portion of the spring/seep <br />Nucla East SW-N101 Upper Calamity Draw Flow = cross section x velocity <br />(SBO101) <br />SW-N102 Tributary to Flow height measured in Ch1P; flow determined using <br />(560102) Calamity Draw Manning's equation (low flow measured with bucket <br /> and stopwatch) <br />! <br /> <br />