Tttrfta 



Jfo, of Thcf'/nomtiUr i 

 Corrected ton/jeraturc 

 .^ir ^ ' Surfac4} ^ 

 Trawl or drcd£i? or tangles 



Cor. 



Drift, 



SOUNDING WIRE. 





[ DREDGE ROPE. 





1,' , 





»K)WN. 









*J 











lijtj 











200 











300 











4*xt 











500 











titXi 











700 































ItVOO 











1 too 











1 JC)(<I 











f jflO 











t40Q 











1500 











1600 











1700 











1800 











lyoij 









201:0 











2100 











2200 





















24UO 







