y tc- r % > '' Machine. Reel. 



d Cor. + /a f~ Depth 



Bottom, £ a » \ 

 Bottom temp' rul u re. J f 

 Jfo. of TUermomvLcr 



Corrected temperatwre 3 ij 



,lir Surface ? *Y Drift, 



frit »'/ or tlrrdgr. or tough's 

 SOUNDING WIRE. 



UDW* I 



vv. 



M.4 



300 

 400 

 500 



700 

 Soo 



nob 

 1 tQQ 



1 100 



DREDGE ROPE. 



AVH, I ( 



1500 

 Mi. m 



iMno 



a 100 



2200 

 8 I 

 910ti 



