ZINC 



45 



43144. 



43*113' .. 



43*12' .. 



43*m ■ .. 



Ms«no' .: 



43*33' .. 



43*38' 



43*37' 



70*16' 70*15" 70°m* 70 q 13' 70*12' 70*11' 70*10' 70* 9' 



Fig. 18. The distribution of zinc (ppm dry weight) in the 

 surficial sediments of Casco Bay, Maine. 



