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<br />CONTENTS--Continued <br /> <br />Page <br /> <br />Table 24. Instantaneous streamflow, specific conductance, pH, water tem- <br />perature, and concentrations of fecal-coliform bacteria and <br />selected major ions in Grange Hall Creek during dry-weather <br /> <br />flow---------------------------------------------------------- 69 <br /> <br />25-26. Instantaneous streamflow, specific conductance, pH, water tem- <br />perature, and concentrations of fecal-col iform bacteria, <br />selected major ions, and suspended sediment in Grange Hall <br />Creek during: <br />25. Rainfall runoff---------------------------------------- 75 <br />26. Snowmelt runoff---------------------------------------- 85 <br />27-29. Nutrient concentrations in Grange Hall Creek during: <br />27. Dry-weather flow----------------------------------------- 91 <br />28. Rainfall runoff------------------------------------------ 97 <br />29. Snowmelt runoff------------------------------------------ 107 <br />30-32. Trace-element concentrations in Grange Hall Creek during: <br />30. Dry-weather flow----------------------------------------- 112 <br />31. Rainfall runoff------------------------------------------ 116 <br />32. Snowmelt runoff------------------------------------------ 124 <br />33. Pesticide and polychlorinated-biphenyl concentrations in Grange <br />Hall Creek during dry-weather flow and rainfall runoff-------- 128 <br />34. Miscellaneous streamflow, temperature, and specific-conductance <br /> <br />data---------------------------------------------------------- 130 <br /> <br />METRIC CONVERSION FACTORS <br /> <br />Multiply <br /> <br />By <br />25.40 <br />1.609 <br />0.4047 <br />2.590 <br />0.02832 <br />0.9072 <br /> <br />To obtain <br /> <br />mi 11 imeter <br />k i lometer <br />hectare <br />square kilometer <br />cubic meter per second <br />metric ton <br /> <br />inch <br />mile (mi) <br />acre <br />square mile (mi2) <br />cubic foot per second (ft3/s) <br />ton <br /> <br />GLOSSARY <br /> <br />Terms defined in the GLOSSARY are underscored when first used in the report. <br /> <br />anions.--Negatively charged chemical species. <br />cations.--Positively charged chemical species. <br />drainage area.--The area of a drainage basin or subbasin, measured in a horizontal <br />plane. <br />drainage basin.--The entire tract of land drained by a river or stream, and its <br />tributaries. <br />drainage subbasin.--A part of a drainage basin that may be treated as a unit based <br />on drainage characteristics. <br />dry-weather flow.--The flow in a stream during a period without rainfall or snow- <br />melt runoff. <br /> <br />iv <br />