20 
4 1.2 2.0 2.8 3.6 
BOUNDARY ROUGHNESS (CM) 
> 
O 
= 
Lu 
= 
G 
Lu 
cc 
LL 
1 3 5 7 9 
MEAN RPD DEPTH (CM) 
10 
9 
8 
7 
6 
5 
4 
3 
2 
1 
ft) 
ey are een eta et We ede Cis 1h}4) 
ORGANISM-SEDIMENT INDEX 
Figure 3-27. Frequency distributions of boundary roughness, RPD, 
and OSI values for the NLON-85 survey area, November 
1985. 
