- 68 - 



1400 

 1200 - 

 1000 : 



^2 800 



E 



g 600 

 400 

 200 - 



. 



*fy^ 



% 



V 



-mynj 



£vo- a^ 



jn 



11/6/78 1/14/81 3/25/83 6/2/85 8/11/87 10/19/89 12/28/91 



SAMPLE DATE RANGE 



Figure 57. — TDS in Empress piezometers C741 and C742 



748 

 747.5 



747 



js 



S3 746.5 

 x 746 



F rj d fa > 



*.* 



h a ft 



745.5 [ 



i 

 745 | 



744.5 J I 1 



7/29/78 6/28/80 5/29/82 4/28/84 3/29/86 2/27/88 1/27/90 12/28/91 



SAMPLE DATE RANGE 



Figure 58. — Water levels in Empress piezometers C741 and C742 



