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• 1 • <br />Table 4 (Cont.) <br />Summary of Baseline Surface Water Monitoring Sites <br />for the Nucla East Mining Area <br />Site Name Drainage <br />(Computer No.) (See Exhibit 1) Type of Flow Measurement and Remarks <br />SW-N106 Lower West Lateral Flow = cross section x velocity* in wooden flume box <br />(580106) Ditch (San Miguel <br />River) <br />SW-N107 Mid-Lower Calamity Crest stage gage only; peak flow determined using Manning's <br />(SB0107) Draw equation <br />N <br />*Marsh-McBirney flow meter used when possible on all velocity measurements. <br />