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<br />discussion. <br />The general characteristics: pH and temperature, show the expected trends <br />with pH remaining constant over the report period and temperature showing <br />typical seasonal fluctuations (Figure 26). <br />Oak Creek Drainage Area <br />The general characteristics (temperature, pH, and electrical conductivity) <br />measured at OK-2 exhibit the expected trends with temperature showing seasonal <br />fluctuations, pH remaining fairly constant and being neutral to slightly <br />alkaline, and electrical conductivity showing minor seasonal fluctuations <br />(Figure 27). <br />• The interrelationship in concentrations of chemical parameters between the <br />surface watezs and alluvial waters at the Edna Mine can only be suggested in <br />very general terms. The primary reasons for this are the relative location of <br />a given well to the creek, the source from which an alluvial well's water <br />originates and the fluvial dynamics of alluvial flow. <br />it is suggested there is a general trend in TDS and the major ions that as <br />one progresses downstream along the mine an increase in these parameters <br />occurs. In the surface waters, an increase in parameter concentrations is <br />noticed at each successive downstream sampling station with the peak <br />concentrations occurring at TR-C. Then, a decrease in parameter concentrations <br />occurs at TR-D as inflow from undisturbed areas have a diluting effect. In <br />the alluvial wells, a similar type of trend cannot be established. This is <br />due to a given well's relative location and the origin of its water. As <br />previously discussed, TR-1 and TR-2 are classic examples of the limited <br />spatiotemporal value of an alluvial well. In the other alluvial wells, <br />TR-1.5, TA-3 and TR-4, there appears to be a trend of increasing parameter <br />concentrations downstream. However, the alluvium at TR-1.5 is in <br /> <br />