AREA 



12 3 4 



NAUTICAL MILES 



PA SSAMA QUO D D Y 

 BA Y 



Figure 13.- -Weirs in Maine statistical area V and part of VI. A black dot indicates that 

 the weir was operating; a circle indicates that it was not operating. Each circle or dot 

 represents a single year; the year 1947 is nearest the weir locations, and 1958 is at the 

 extremity of the row. 



14 



