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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 SW-N7 Upper West Return Flow height measured in CMP; flow determined using Manning's <br /> (SA0007) Ditch equation (low flow measured with bucket and stop watch) <br /> NPDES 001 Mid-Lower West Continuous recorder with sharp-crested 90' V-notch weir <br /> (DA0001) Return Ditch <br /> v NPDES 002 Tributary to Type of flow measurement not determined; no discharge <br /> (DA0002) Tuttle Draw observed since 1980 <br /> NPDES 003 Tributary to Type of flow measurement not determined; no discharge <br /> (DA0003) Tuttle Draw observed since 1980 <br /> NPDES 004 Tributary to Type of flow measurement not determined; no discharge <br /> (DA0004) Tuttle Draw observed since 1980 <br /> NPDES 005 Tributary to Type of flow measurement not determined; no discharge <br /> (DA0005) Tuttle Draw observed since 1980 <br />