11 



1200 



1000 



-=- 800 



600 



200 



Year 



1500 



a> 



^ 1000 



D 500 



Figure 3.6: Daily TDS Concentration, 1982 to 1996; East Poplar River 

 at tile International Boundary (regression-derived data) 



Dec-81 Dec-83 Dec-85 Dec-87 Dec-89 Dec-91 Dec-93 Dec-95 



Dec-82 Dec-84 Dec-86 Dec-88 Dec-90 Dec-92 Dec-94 Dec-96 



Year 



