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Figure 7. High water at the Race Point Traverse showing the berm 

 beginning to be cliffed by a thirty-mile northwest wind, January 1, 1954. 



Figure 8. Low water at Race Point Coast Guard Station, showing a more 

 extensive cliffing in the berm caused by some previous blow. Note the 

 light snow cover which has been removed to the last high water nnark, 

 January 1, 1954. 



and all of Sandy Neck and Duxbury Beach. Although these photographs are not entirely satis- 

 factory as they were taken with a hand-operated Graflex, they do give some idea of the chang- 

 ing configuration of the beach outline and of the offshore bars. One of the difficulties of using 

 aerial photographs for beach work in this region is the steepness of the offshore portion bring- 

 ing relatively deep water close inshore which obscures the bars unless marked by breakers. 

 Furthermore, the water in the Gulf of Maine often contains considerable amounts of plankton 

 resulting in low visibility. 



