/■ / 



Mti chine. AVvV. 

 TwrtS I 0 - Cor. i / Depth 

 Si»*h+r lead 



Bottom d/-v.tx. v "/v, v>, 

 Bottom tpmjwratwrt 



, Yo. of Thevmotn ett r Cor. 



Q&rresti < f tempi ruinre. 



, lir Surface 

 Trawl or ilrcd'jc or iangies 



Drift. 



SOUNDING WIRE. 





DREDGE ROPE. 







ItoWN. 



nr. 







(J 



lOO 











aoo 











;JOO 





















(00 





















700 



















t)(At 

 I11OO 











1 too 











tine 











1 100 











r 



I5OO 











tftoo 











ryoo 











1H00 































2100 











2 aoo 

 2300 











2400 







