m 



* Machine. 

 TwriiB Cor. + 



ffliai or Ivad 



Jio Horn temperature 

 JVb* of fh&rmv meter 



Date 2^^t/<r( 



linv.i. 



Depth *\s <fi-iT 



Corrected ifftnpvraittre 



Air Sm-ftiw 



s7 n ^ 



Drift 



SOUNDING WIRE, 



TUkNS. 



DREDGE ROPE. 



f DOWN. 1 





DOWN. 





_J 





0 



•' 'A 1 







... 'f'tf 



100 







/A KJL 





200 











300 



3/ <rti 









jJOO 



3t/ 









500 











600 











700 



/■A ' ^ 









£00 









900 











1000 









ticxi 











[2O0 











1300 









1400 











I goo 











i600 











T700 





















1900 











2000 











2100 











220Q 











2300 











341x1 







