.Yo. 



t 



Dale 

 Machine. 



AVW. 



Turtle 



Depth 



Bottom tfu V ^f°' 



Bottom temperature ^ - ^ 

 .Yo. of tlicruxomeUr & £ 6 ' Cor, — 



Corrrrrbrd hninfj^raLure ^ *A 



7'nnt'l or dredge 



hriji 



SOUNDING WIRE. 



7 c ^> 



J, J\ to 



TUfcNh. 



200 

 300 

 400 



5«o 

 600 

 700 

 800 



•JOO 



Ilka) 



2200 



DREDGE ROPf, 



DOWN. 



a It] 



