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West Elk Mine 2013 Annual Hydrology Report v <br />LIST OF FIGURES <br />Figure 1. <br />Monthly Precipitation Data for Paonia 1 SW ( 56306) .......... ..............................3 <br />Figure 2. <br />Monthly Precipitation Data for McClure Pass (59743) ........ ..............................3 <br />Summary of the Groundwater Monitoring Well Characteristics ......................33 <br />Figure 3. <br />Monthly Precipitation Data for Overland Reservoir (59853) .............................4 <br />Summary of the Groundwater Monitoring Program ............ .............................34 <br />Figure 4. <br />Monthly Snow Water Equivalent Data for Overland Reservoir .........................5 <br />Summary of the Underdrain and Mine Inflow Monitoring Program ................35 <br />Figure 5. <br />Monthly Snow Water Equivalent Data for McClure Pass .... ..............................5 <br />Summary of the U.S. Forest Service Water Resources ........ .............................36 <br />Figure 6. <br />Average Daily Flow Data for the North Fork of the Gunnison River near <br />Summary of CDPS Limits for Outfall 007 .......................... .............................43 <br />Somerset, CO (USGS 09132500) ......................................... ..............................6 <br />Summary of CDPS Discharge Permit Limits for Sedimentation Ponds' .......... <br />Figure 7. <br />Average Daily Stream Flow Data for Minnesota Creek near Paonia, CO <br />Summary of CDPS Discharges for Water Year 2013 (Adapted from WY <br />(USGS 09134000) ................................................................. ..............................8 <br />2013 DMRs) ......................................................................... .............................45 <br />Figure 8. <br />Temperature Data Logger Monitoring Site Locations ......... .............................21 <br />Summary of Salinity Loading in the North Fork of the Gunnison River .......... <br />Figure 9. <br />Mine Water Balance ............................................................. .............................40 <br />LIST OF TABLES <br />Table 1. Baseline and Routine Monitoring Frequencies .................... .............................11 <br />Table 2. Laboratory Parameters for First 5 Years of Monitoring (including Baseline).. 12 <br />Table 3. Summary of the Surface Water Monitoring Program .......... .............................14 <br />Table 4. Summary of the Temperature Monitoring Site Details ........ .............................20 <br />Table 5. <br />Summary of the Spring and Seep Monitoring Program ....... .............................24 <br />Table 6. <br />Summary of the Groundwater Monitoring Well Characteristics ......................33 <br />Table 7. <br />Summary of the Groundwater Monitoring Program ............ .............................34 <br />Table 8. <br />Summary of the Underdrain and Mine Inflow Monitoring Program ................35 <br />Table 9. <br />Summary of the U.S. Forest Service Water Resources ........ .............................36 <br />Table 10. <br />Summary of CDPS Limits for Outfall 007 .......................... .............................43 <br />Table 11. <br />Summary of CDPS Discharge Permit Limits for Sedimentation Ponds' .......... <br />44 <br />Table 12. <br />Summary of CDPS Discharges for Water Year 2013 (Adapted from WY <br />2013 DMRs) ......................................................................... .............................45 <br />Table 13. <br />Summary of Salinity Loading in the North Fork of the Gunnison River .......... <br />51 <br />June 2014 HydroGeo, Inc. <br />