.Mu ch i nr 



lurm Cbr* 1 



8k "i »' Itad 

 Bottom 



BoUow\ U mperatwt 



,\ <>. a j' Tin rniohh rl, r 

 ( 'in rrrh fl i i in j>, i <i\lt) <• 



./ft Bwrftoot 



SOUNDING WIRE. 



L'ccL 

 Depth 



Ihifl. 



DREDGE ROPE, 



\ru | 



y H | 



boo 

 TOO 

 H.ci 



I (XXI 



< .v k | 



1600 



17(H) 

 EIQti 



• • 



