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expected to be normal. Curves are developed by assigning 

 normalized weighting factors of 1.0, 0.5 and 0.2 to the range of 

 the variable that encompasses 50%, 75% and 90%, respectively, of 

 the observations. In this study, curves were developed at the 

 95% confidence level. 



The streamflow discharge and water levels of Swamp Creek and 

 the east channel of the Big Hole River below the Wisdom bridge 

 were monitored on a regular basis. On Swamp Creek, water-level 

 measurements were taken from August 16 to September 8, by making 

 reference to the top of a stake placed in the stream at the upper 

 end of the sample section. One discharge measurement station was 

 established about midway through the sample section, and 

 measurements were taken from August 17 to September 8. On the 

 Big Hole River, three discharge measurement stations were 

 established. All stations were located in the middle third of 

 the sample section, and measurements were taken from August 4 to 

 September 7. Water levels were measured by making reference to 

 the top of a stake placed in the stream about midway through the 

 sample section; measurements were taken from August 3 to 

 September 7 . 



