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nature of the estuary and its location which prevent its develop- 

 ment as a commercial shipping facility. 



The San Diego economy, although heavily dependent upon the military 

 and shipping activities in the Bay, has diversified to the extent 

 that it is no longer completely dependent upon such uses of the 

 Bay. At the same time there has been a growing demand for 

 recreational uses of the Bay. Evidence of the local resident's 

 interest in the Bay for recreation, tourism, and commercial uses 

 can be found in their willingness to invest substantial sums of 

 money in facilities to prevent pollution of the Bay by municipal 

 wastes. 



Mission Bay, a separate estuary in the San Diego area, is an 

 example of the recreational potential to be found in an estuarine 

 system. However, this special study points up the fact that the 

 best use of an estuary may not come about naturally. Rather, it 

 shows that a planned development program with adequate investments 

 are necessary to achieve optimal use of an estuary. 



In summary, then, it can be seen that the major uses of estuaries 

 vary from one estuary to another, depending upon historical 

 development and suitability for specific uses. However, the 

 primary points indicated by these various estuary reviews are: 



