316 



Economic Aspects 



Figure 240. Top, Santa Barbara 

 Harbor. Accretion of sediment 

 against and within the break- 

 water, based on survey of Feb- 

 ruary 1958 by U. S. Army En- 

 gineers. MLLW is mean lower 

 low water. 



Middle, Santa Monica Har- 

 bor. Accretion of sediment 

 next to the Amusement Pier 

 and within the detached break- 

 water. Mean high-tide shore- 

 lines for approximately 8-year 

 intervals are taken from Han- 

 din and Ludwick (1950) and 

 unpublished records of the City 

 Engineers of Los Angeles and 

 Santa Monica. 



Bottom, Redondo Beach 

 Harbor. Accretion of sedi- 

 ments against both sides of 

 the landward end of the break- 

 water between 1935 and 1953. 

 Redrawn from compilation by 

 R. L. Patterson of data from 

 Los Angeles County Surveyor's 

 Office (Marlette, 1954). 



