164- 



5-- 



60— 



50-- 



40-- 



30-- 



20- 



104- 



BRENTON REEF REFERENCE 

 OCTOBER 1987 



N = 6 



1 2 3 4567 89 10 11 

 ORGANISM-SEDIMENT INDEX 



BRENTON REEF 

 OCTOBER 1987 



N = 66 



U 



8 123 4567 3 91011 

 ORGANISM-SEDIMENT INDEX 



Figure 3-22. Frequency distributions of OSI values for Brenton 

 Reef REMOTS® grid stations (top) and reference 

 stations (bottom), October 1987. 



