u—im 



Tu^rtifi Cor. t 



Shot f/r lead 

 Botiom> 



JiTo. of thmmtonieter 



Depth 



'(Sr 



Air 



Oor. 



Drift 



Traivl £17* dredge ^ ^ZiL-t^tiij^.Jt^' ^ v J? / 



SOUNDING WIRE. 



UP, 



DREDGE ROPE. 



r>ovt'N, . J 



0 

 100 



m 



OOO 

 700 

 @00 



lOQO 

 1100 

 130D 

 ISOO 

 1400 

 1600 



nm 



1700 

 1800 

 ]00Q 

 EOOO 

 3100 

 3200 

 G900 

 3i00 



3 



1^' 



