



Machine. JUcl. 



TtLi-rhs Cor. + Depth 



&%ot or lead 

 Bottom * 



Bottom, temperature / 



Jfo* of tJteritbomefar Cor. 



Corrected temperatwre 



Mr £ / " Surface G* 0 * Drift 



Trawl or dredge 



SOUNDING WIRE. 





DREDGE ROPL 



DOWH. 



in-. 



TURNS, 



r.^/y^ 



qn^y-M — 







O 























* V. d J - a 







* Ja r^*-t 



400 





















^jy ^> at * Cj 



7 



7 















800 









goo 













1000 













1 100 











1 j' > 1 











1300 











1400 











J50D 













r&oo 













1700 











iSoa 











1900 











2000 











3 100 











220a 











2300 











1:400 







