CONTENTS-Continued 



TABLES 



Page 



3 Storm day occurrences, August 1970 to August 1973 22 



4 Profiling dates by survey number 25 



5 Bluff and terrace recession, eastern Lake Michigan 35 



6 Dominant coastal changes, eastern Lake Michigan . 37 



7 Annual changes in sediment volume at each site 40 



8 Longshore bar data in feet, August 1972 53 



FIGURES 



1 Index map showing profile sites and adjacent surficial geology 



along the eastern shore of Lake Michigan 8 



2 Generalized diagram across the beach and nearshore environment 



of eastern Lake Michigan 11 



3 Quarterly level of Lake Michigan from period of alltime low to 



end of this study. 12 



4 Wind rose diagrams for the study period 19 



5 Number of cyclones and storm days during each month of the 



3-year study period 21 



6 Bluff and terrace erosion, August 1970 to July 1973 38 



7 Profiles at each site showing net annual changes 41 



8 Mean annual lake level during period of aerial photo 



coverage 46 



9 Apparent accretion or recession of strand-line positions 47 



10 Rate of progradation or recession of terrace-bluff 



position 50 



11 Distance of longshore bar crests from strand line 54 



12 Depth of longshore bar crests 54 



