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Schwartzwalder Mine - Hvdrolagic Evaluation of Mine Closure and Reclamation 55 <br />350 <br />Before Sump/WTP Shutdown After Sump/WTP Shutdown <br />300 - <br />J <br />E 200 <br />50 <br />FALL WINTER SPRING SUMMER FALL WINTER SPRING SUMMER <br />D Bicarbonate ®Chloride ®Sulfate ~ Calcium D Magnesium D Sodium ^ Potassium <br />Figure 29. Seasonal Variation in TDS Components in Ralston Creek Water Downstream of <br />Schwarizwalder Mine16 <br />14 Figure 2'1 is based on I S samples tiom Stauun tiN'•8PI collected from I99R June 2002 and 26 wimples cnllcrtcd Inim June 2002 -Sept'_Olt7 <br />d l 09[3.07 I l l h Whetstone Associates <br />