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Schwartzwalder Mine - H~~drologic Evaluation of'Mine Closure and Reclamation <br />26 <br />25C <br />E 200 <br />d <br />W_P <br />F- <br />t5U <br />a. <br />4 <br />50 <br />35 <br />30 <br />25 ~-', <br />W <br />0: <br />U <br />20 Z <br />O <br />N <br />J <br />a <br />o: <br />is b <br />W <br />!- <br />~ ~ <br />LL <br />Jan Feb Mar Apr May June Jut 0 <br />Y Aug Sept Oct Nov pec <br />MONTH <br />~~MOntniy Average Surnp Fum pmg Ra;es ;gprni - _ - <br />-~- MonNly Average Flow +n Ralston CreeM <br />Figure 13. Monthly Average Sump Pumping Rates vs. Long-term Average Flow Rates in <br />Ralston Creek <br />350 -- <br />3S <br />300 -- - Ir -- ~ - -~ <br />I - - ~ 30 <br />i R'=oa <br />~ 25.0 - - -~- <br />=~ 2 5 <br />W I~ / <br />-, <br />~ R' = 0 7929 » <br />20 0 I I ~ <br />_- , / 2 0 ~ <br />x I/ <br />1 <br />~ t50 ..~ / ~Q i <br />A~ + 5 4 <br />~ / ~ U <br />N ~ I LL <br />• - ,o <br />~ ~ <br />i ~ ~ OS <br />tb~ / / ~ ~ ~ <br />0.0 <br />00 500 t000 tg00 00 <br />200.0 250 0 300 0 <br />SUMP PUMPING RATE (gpm) <br />~ "R a~sron ~^reek Fluw'~ rec~pganun -Linear iFreo ~ - __. . <br />o~tai~on ~ - Linear ~' Ralston Creek Flow_I <br />Figure 14. Correlation Between Monthly Average Sump Pumping Rates, Precipitation, and <br />Flow Rates in Ralston Creek <br />~ 109!3.07 I I I n <br />Whetstone Associates • <br />