11— ]ue& 



Depth ^3 



RceL 



SJiot op-i-ead 

 Bottom 



BoUom iejYhpeTatitj'e 



J^To, of tliu7ino7rh&tcr /A Oor, ^ , / 



Air /rC^ SJirfaae ?/* Drift 

 Tfawl ixr dredge J^l^* " /'^'^^ * 



SOUNDING WIRE. 































7. ^'/.jr 





TrrtNf;, 



DREDGE ROPE. 



0 



100 

 000 

 800 



MO 



f 600 



^ -^00 

 A 



eo& 

 uoo 



1000 

 1100 



laoo 



1400 



icoo 



I TOO 



ami} 

 iitnii 



mm 



