r 



TiLrmJ^f^ 2 Cor, + / 



Depth /■ / 



//OO 



r 



i/ 



Boikfttb femperfiturc 



Air .' SnrffUic .J ^ 



TrfiMd' or dredge /w^V ^ 



Cor. 



Jtrl/'t 



SOUNDING WIRE. 



DOWN. 



7 - 



n. OS 



UP. 



Ohio 

 1- 00. 30 



SUA 



I Jo- 

 i/t- Vi 



liS- if 



yjo 

 400 



(mo 



700 

 800 



qoo 

 1000 



IlriO 

 laoo 

 J30tJ 



IJfXJ 



17CX) 

 I&uo 



HJOO, 



aooo 



210Q 



2300 

 2400 



4)RE0GE ROPL. 



' po;ivN. 



^-^ .... 



d/0 



III) 



/■/. 



if-. 



^ J, //() 



J'' 



