Geomorphology . Site is located at 

 Point Betsie, Michigan, with a shore- 

 line orientation of N.13°E. Coast 

 is comprised of generally stabilized 

 dunes. Beach sediment is sand and 

 gravel with the backshore mostly 

 sand and the foreshore composed of 

 coarse pebbles and cobbles which 

 commonly display imbrication. Beach 

 is one of the highest energy loca- 

 tions in the study area. Occasional 

 gravel berms , and ridge and runnel 

 features are present. 



Bench Mark Location (.5 August 1970J 

 (NWV, sec. 4, T.27 N. , R.16 W.) On 

 small knoll with scrub bushes, 400 

 yards south of lighthouse at Point 

 Betsie; azimuth 11°15' from north. 

 Other azimuths (from north) : U.S. 

 Coast Guard radio tower, 24°36'; 

 flagpole at ranch house, 116°19'. 

 Bench mark was moved 20 feet land- 

 ward on 7 April 1972. 



June 1970 



11 August 1971 

 Figure 6. Location and geomorphology of profile site 1. 



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