61 



MMMMMMMMM 

 83 I 84 I 85 I 86 I 87 I 88 I 89 I 90 I 91 



Figure 7.10 Lagoon Water Quality Data for Calcium and Polishing Pond pH, 

 1983 to 1991. 



35 



>^iK'Ml lf^.'^7 



14 



MMMMMMMMM 

 83 I 84 I 85 I 86 I 87 I 88 I 89 I 90 I 91 



Figure 7.11 Lagoon Water Quality Data for Magnesium and Polishing Pond pH, 

 1983 to 1991. 



