Figure 3.4: TDS Concentration for 2003 Water-Quality Samples 

 from East Poplar River at the International Boundary 



1200 



1000 



3 800 



Id 400 



lOlB^ 



♦ 967 ♦958 



♦^989- 



♦ 968 



♦ 1021e 



♦ 1054 < . 1054e 



♦ 853e 



♦ 896 



♦ 829e 



♦ 690 



12 



