15 STNH-U 



JULY I9S6 



ll. 



4 C 1.2 1.6 2.0 2.4 



BOUNDARY ROUGHNESS (CM) 



£THH-N 

 JULY 1936 



-H — I — I — \-W-\ — h 



O12345C7S9 10 11 

 ORGANISM SEDIMENT INDEX 



STIIH-N 

 JULY 1586 



Illi 



2345C7S216 

 MEAN RF'O DEPTH (CM) 



Figure 3-30. Frequency distributions of small-scale boundary 

 roughness, mean apparent RPD depths and OSI values 

 at the STNH-N disposal mound, July 1986. 



