. Machine. 



Rati. 



S £ 



iCrn* Qon ± /F Z \ Depth 13? ? fa 



Mutto? lead 3<f <Zr v . 

 Bottom 6S , 



UulUnii Ivmpwi.tttir 



jYu. of thcrtiwm rt.rr 

 Corrected tc n op'tru t urc 

 Air Surface 

 Tra wl or dredgn 



SOUNDING WIRE. 



flfrL, down. 



Jo. /a 



i.tf. 



#4. 



ft * 



j/. if 



4 c •» < 

 •J i • vV 



2230 



I & 

 If I 



■■'■it" 

 Mja 



//■/.' 



/J. o<5 ' 

 o ■ ■ 



/ha I, i o 



SIM 



h:kn>. 



• I ' " 



I » n i 



700 



loo 



C/XJ 

 It VP) 



I Km 



12O0 

 J 300 

 IJ'JO 

 1500 



1 too 

 1700 



t Hi « . 



rguo 

 2100 



2 300 

 I4( » i 



(fa, 



DREDGE ROPr 



DOWtt. 



UP. 



