DIATOMS: Very low concentrations of diatoms 

 (fig. 27) were present. Two points of highest concentra- 

 tion (16 00 20 July at 48 feet and 1200 21 July at 28 feet) 

 fall within the most turbid areas, but because of low cell 

 counts this relationship was believed to be coincidental. 



1000 1400 1800 2200 0200 



TIME (HOURS) 



0600 



1000 



Figure 27. Distribution of miscellaneous diatoms (organisms per ml), with transparency data (percent transmission) 

 in red, Operation II. 



46 



