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MCC West Elk Mine Sunset Trail Lease Modifications 2011 Hydrology Survey 9 <br />Table 2. North Prong Creek Drainage Survey Site Summary <br />Note: n.m. — not measured; shaded cells indicate significant spring and pond sites (flows > 2gpm and/or >0.3 acres in size); elevations determined from GIS <br />February 2012 HydroGeo, Inc. <br />Spring <br />Spring <br />Electrical <br />Field / <br />Field / <br />Pond <br />Pond <br />Site <br />Elev �i� <br />Temp <br />pH <br />Conductivity <br />Ave <br />Water <br />Wetland <br />Wetland <br />Length <br />Width <br />Approx <br /># <br />Site ID <br />Date <br />Feature Typeo <br />(feet) <br />(C) <br />(s.u.) <br />(µmhos/cm or <br />Flow <br />Depth <br />Length <br />Width <br />(estim.) <br />(estim J <br />Area <br />2) <br />µS/cm) <br />(gpm) <br />(ft) <br />(estim.) <br />(estim.) <br />(ft) <br />(ft) <br />(ft <br />(ft) <br />(ft) <br />SPRING RELATED FEATURES <br />I <br />ST -10-01 <br />10/10/11 <br />Spring with Wetland <br />8,088 <br />13.9 <br />7.78 <br />294 <br />0.13 <br />0.2 <br />150 <br />99 <br />14,850 <br />2 <br />ST -10-02 <br />10/10/11 <br />Spring with Wetland <br />8,109 <br />14.2 <br />7.42 <br />174 <br />1 <br />0.2-.5 <br />120 <br />75 <br />9,000 <br />3 <br />ST -10-03 <br />10/10/11 <br />Spring/Pond/Wetland <br />8,398 <br />14.4 <br />7.70 <br />159 <br />trickle <br />28 <br />ST -11-28 <br />1 10/14/11 <br />Spring feeding Pond <br />1 8,650 <br />1 15.8 <br />n.m, <br />1 350 <br />1 0.4 <br />POND RELATED FEATURES <br />4 <br />ST -15-04 <br />10/10/11 <br />Pond with Wetland <br />$ 627 <br />8.4 <br />6.71 <br />201 <br />1-2 <br />75 <br />230 <br />M50 <br />17,250 <br />5 <br />ST -14-05 <br />10/11/11 <br />Pond with Wetland <br />8,694 <br />7.9 <br />6.77 <br />147.8 <br />-- <br />.17- <br />249 <br />75 <br />18 675 <br />18-16-7-5 <br />7 <br />ST -14-07 <br />10/11/11 <br />Pond with Wetland <br />8,688 <br />8.8 <br />6.92 <br />136.7 <br />-- <br />0.25 <br />30 <br />45 <br />1,350 <br />Note: n.m. — not measured; shaded cells indicate significant spring and pond sites (flows > 2gpm and/or >0.3 acres in size); elevations determined from GIS <br />February 2012 HydroGeo, Inc. <br />