Table 20. --Secchi disc measurements, Hugh M. Smith cruise 29 



Position 



N. Lat. 



W. Long, 



155''04' 



155*10' 



154»46' 



154''48' 



154*52' 



154*49' 



154*43' 



155*03' 



154*54' 



147*20' 



164*47' 



147*29' 



146*49' 



146*42' 



147*00' 



139*02' 



139*00' 



139*00' 



138*47' 



139*07 



139*04' 



139*07' 



141*28' 



143*42' 



145*50' 



148*10' 



150*16' 



152*39' 



154*46' 



156*13' 



Date 

 1955 



5/5 



5/6 



5/7 



5/8 



5/9 



5/10 



5/11 



5/12 



5/13 



5/17 



5/18 



5/19 



5/20 



5/21 



5/22 



5/30 



5/31 



6/1 



6/2 



6/3 



6/4 



6/5 



6/6 



6/7 



6/8 



6/9 



6/10 



6/11 



6/12 



6/13 



Meters- 



1/ 



47.5 

 32.9 

 23.8 



21.9 

 25.6 

 21 



11. oi/ 



12 

 20. 1 

 20. 1 

 23.8 



21.9 



8i/ 



21 



14 



^^•^/ 

 9 1— 

 2/ 

 16. 5-' 



21.9 



27.4 



20. 1 



25.6 



21.9 



27.4 



29.3 



29.3 



25.6 



25.6 



20. 1 



20. 1 



20. 1 



Original measurement 

 Relatively low transpa 



s nnade in fathonns 

 rency 



Table 21. --Secchi disc measurements, John R. Manning cruise 25 



1/ 



Relatively low transparency 



21 



