CONTENTS — Continued 

 FIGUBUES 



Page 



1 Severe bluff erosion undermining lakefront home near Stevensville, 



Michigan • 7 



2 Index map showing profile locations 8 



3 Definition sketch 9 



4 Comparison of profile lines along eastern Lake Michigan 12 



5 Annual average of Lake Michigan water level as recorded at 



Ludington, Michigan 14 



6 Monthly mean Lake Michigan water levels at Ludington, Mchigan 15 



7 Shore ice at profile line 11 16 



8 Variation in average monthly breaking wave statistics for three 



eastern Lake Michigan locations 17 



9 Bluff recession by profile line and survey 24 



10 Cumulative amount of bluff recession for each profile line 25 



11 Total volume change for each profile line 26 



12 Cumulative bluff recession for 15 profile lines 27 



13 Variation in lake level, storminess, and total bluff recession 29 



14 The beach at profile line 2, showing the wide range of sediments... 31 



15 Longshore variation in foreshore and backshore median sand size, 



eastern Lake Michigan 32 



16 Actual foreshore and backshore samples with content similar to 



the composite averages given in Table 5 33 



17 Linear relationship between median sand size and percent gravel 



by weight 34 



18 Monthly variation -in average median sand size and sample content 



for the 17 eastern Lake Michigan profile lines 35 



