STNH - N 



3.80 



600N 



3.92 



400N 



3.50 



200NW 



3.53 

 200N 



3.02 



200NE 



3.97 

 600W 



2.96 

 400W 



4.74 



# 

 200W 



1.50 



CTR 



6.01 



200E 



3.40 



400E 



4.30 



600E 



4.42 



# 

 200SW 



5.50 



200S 



7.25 



200SE 



3.16 



400$ 



5.04 



600S 



Figure 3-15 The mapped average apparent redox potential 



discontinuity (RPD) depth values at each station 

 in the August survey at STNH-N. 



