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Final Wes[ Elk Mine 2005 Annual Hydrology Report 8 \J • Table 2. Summary of Surface Water Manitorint; o] Field WQ Annual Lab Water Period of Monitoring Station Monitored Area Flow Measurement (pH, EC, T) Quality Record Sur ace Stations U er N. Fork Drains a Basin p-gradient of all current er De Creek inin activities ontinuous 3 x Year Peak Plow Period at 1996 to resent own-gradient of SE mine ower Dee Creek anels (17-14 ontinuous 3 x Year Peak Flow Period ai 1996 to resent er Raven Gulch ast of W. Flatiron Area nstantaneous, 3 x Year 3 x Year Peak Flow Period crl 2005 to resent ower Raven Gulch ast of W. Flatiron Area nstantaneous, 3 x Year 3 x Year Peak Flow Period (n7 2005 [o resent own-gradient of Box ox Can on an on Panels nstantaneous, 3 x Year 3 x Yeaz Peak Flow Period a> 1999 to resent p-gradient of mine facilities Low Flow Period, Peak orth Fork U er USGS nd mine dischar e. ontinuous 3 x Year Irri alion Season t4I 1977 to resent p-gradient of mine surface acilities area and NE mine er S Nester Gulch anels nstantaneous, 3 x Year 3 x Year Peak Flow Period al 1977 to resent own-gradient of mine water ischarge point and NE mine fiddle S lvester Gulch anels ontinuous 3 x Year Peak Flow Period t:I 1977 to resent own-gradient of mine urface facilities area and NE ower S lvester Gulch fine anels nstantaneous, 3 x Year 3 x Year Peak Flow Period (a) 1977 to resent Sur ace Stations Lower N. Fork Drai ns a Basin own-gradient of mine Low Flow Period, Peak orth Fork Lower acilities and mine dischar e. nstantaneous, 3 x Year 3 x Yeaz Irri anon Season 14I 1935- resent ithin completed NW mine ower Gribble Gulch ane] area nstantaneous, 3 x Year 3 x Year Peak Flow Period m 1977 to resent Sur ace Stations Minnesota Creek Drains a Basin p-gradient of un-mined SE ick Creek Flume oat lease area ontinuous 3 x Year Peak Flow Period a) 1977 to resent oath Pron Creek csi oath of the Divide Area nstantaneous, 3 x Year 2005 p-Gradient of Dry Fork and es[ of un-mined SE coal er Minnesota Creek USFS ease area ontinuous 3 x Year Peak Flow Period tz> 1997 to resent ithin un-mined SE coal ease area and up-gradient of er D Fork Flume SE mine anels ontinuous 3 x Year Peak Flow Period ~~~ 1977 to resent oison Gulch oath of the Divide Area nstantaneous, 3 x Yeaz 3 x Year Peak Flow Period cal 2005 to resent ithin un-mined SE coal ease area and up-gradient of fiddle D Fork Flume SE mine anels ontinuous 3 x Year Peak Flow Period a) 1977 m resent ithin un-mined SE coal ease area and up-gradient of ast Gulch, East of Horse Gulch SE mine anels nstantaneous, 3 x Year 3 x Year Peak Flow Period a) 1977 to resent eer Creek oath of the Divide Area nstantaneous, 3 x Year 3 x Year Peak Flow Period csl 2005 to resent ithin un-mined SE coal ease area and up-gradient of orse Gulch E mine anels nstantaneous, 3 x Year 3 x Year Peak Flow Period t~1 1977 to resent own-gradient of SE mine anels and un-mined SE coal ower D Fork Flume ease area ontinuous 3 x Year Peak Flow Period al 1977 to resent own-gradient of Dry Fork, SE mine panels, and un- 1937-1947 and owec Minnesota Creek USGS) fined SE coal lease area ontinuous 3 x Year Peak Flow Period 1rl 1985 to resent 1) S[a[ions listed upsneam [o downstream relative to Pmjec[. 2) For sites with more than 5 years of data, lab parameters include TSS, TDS, Cond., pH, and Fe (disc & tot). 3) For sites with less than 5 years data, lab parameters include TSS, 7DS, Cond., pH, Ca, Mg Na, K, .SAR, hardness, bicarb., CI, Nitrite/Nitrate, POs, SO,, Fe (tot & diss), Mn (rot & diss), A6 As (tot), Cd, Cu, Pb, Hg (tat), Mb, Se (rot), Bo, Za. 4) North Fork Stations. lab parameters include TSS, TDS, Cond., pH, Ca, Mg, Na, K, SAR, alkalinity, hardness, bicarb., carbonate, Cl, Hydroxide, Nitrite/Nitrate, POs, Othro-Phosphate, SOa. Fe (tot & dies), Mn (tot & dies), AI, As (tot), Cd, Cq Pb, Hg (tot), Mb, Se (to[), Bq Za 5) South Prong Creek is a temporary monitoring site that was only monitored during the rising limb and peak flow periods September 2006 HydroGeo, lnc.