V - V 



/A 



finftoni it/ Tjh 



J\^n. of ihrrrrhumeter Q ^ "/ Oor, ^ C> 

 Cnrrected iern>p*trattirj *3 *) ^ 



^SOUNDING WIRE. 



06 



300 

 500 



700 



Hoo 



loou 

 I 



14CJQ 

 151m 



J<J<X) 



1700 



:(i<x> 

 3400 



DREDGE ROPE. 



00 WW, 



