99.99 



4 5 6 7 8 9 10 



Wave Height - feet 



30 40 50 GO 70 80 90 



Fig. 15 Comparison of Wave-Height Distributions Derived from Visual Observations and from Measure- 

 ments OF Wave Heights at Atlantic Ocean Stations I and J 



bution, within the range throughout which Let the hypothesis be examined that, for this 



stress data were obtained. vessel and service, the logarithm of the sea-induced 



23 



