1890 1900 



Figure 21. Variation in annual MSL at New York, New York (The Battery); 

 Portland, Maine; Baltimore, Maryland; and Charleston, 

 South Carolina. 



910 1920 1930 1940 1950 I960 1970 



Figure 22. Variation in annual MSL at Charleston, South Carolina; 

 Mayport, Miami Beach, and Cedar Key, Florida. 



55 



