Geomorphology ■ Site is located near 

 Glenn, Michigan, where the shoreline 

 trends N.15°E. Glacial till bluffs 

 rise about 40 feet above lake level 

 for several miles in both directions. 

 Active beach abuts these till bluffs. 

 A slight protuberance in the shore- 

 line is present a few hundred yards 

 south. Profile has been monitored 

 since June 1968 (Davis, 1973b). 



Bench Mark Location [5 August 1970) 

 (NW cor., sec. 31, T.2 N. , R.16 W.). 

 Public access at Glenn below road 

 on till bluff and 100 yards south of 

 public access. In line with large 

 oak tree on bluff crest. Azimuths 

 (from north): 48°30', west edge of 

 oak tree on top of bank; 99°32' 

 center of large oak tree in line 

 with profile. Bench mark was moved 

 5 feet lakeward 22 November 1970 and 

 10 feet landward 21 December 1971. 



June 1970 



11 August 1971 

 Figure 18. Location and geomorphology of profile site 13. 



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