-20 - 



-50 



2500 5000 7500 10,000 



Distance from Bolivor lighthouse, (ft) 



12,500 



Figure 40. Galveston entrance minimum-width cross-sectional 

 area profiles, 1851-1908. 



2500 



5000 7500 



Distonce from Bolivar lighthouse (ft) 



0,000 



12,500 



Figure 41. Galveston entrance minimum-width cross-sectional 

 area profiles, 1908-75. 



50 



