1500NW 07/29/87 



Dissolved Oxygen (mg/1) 0000 



2 4 6 8 



10 



18 



19 



Sigma-T ++++ 

 20 21 22 



23 



27 



16 



22.5- 



25. 1 



Salinity (ppm) xxxx 



28 29 30 31 



—I 1 1 (- 



Temperature (C.) XXXX 

 17 18 19 20 



32 



