CONTENTS 



FIGURES--Continued 



Page 



16 Variations in recession rate for different sections in reaches A 



and B compared to reach A 32 



17 View of the downdrift cut from the southern end of the seawall .... 33 



18 Bluff at CERC profile line 16 recently stabilized by precast- 



concrete seawall following a period of severe erosion 33 



19 Rates of bluff recession and shoreline change along reach B from 



19 November 1970 to 2 3 November 1974 35 



20 Composite aerial photo of reach C taken 23 November 1974 36 



21 Low foredune topography typical of reach C 37 



22 Dune buggy trails through the reach C dunes between stations 30 



and 40 38 



23 Comparison between the rate of bluff recession and the average beach 



width along reach C 38 



24 Rates of bluff recession and shoreline change along reach C from 



15 April 1971 to 23 November 1974 . 39 



25 Composite aerial photo of reach D taken 2 3 November 1974 41 



26 View of bluff and beach northward from station 27 in reach D 42 



27 Rates of bluff recession and shoreline change along reach D 42 



28 Rates of bluff recession and shoreline change along reach D from 



19 November 1970 to 23 November 1974 43 



29 Composite aerial photo of reach E, 23 November 1974 44 



30 View southward showing beach and foredune morphology in reach E. . . . 45 



31 Rates of bluff recession and shoreline change along reach E 46 



32 Rates of bluff recession and shoreline change along reach E from 



15 April 1971 to 23 November 1974 46 



33 Cumulative bluff recession and shoreline change for each reach .... 48 



34 Periods of previous study and historic lake level variations 53 



35 Variations in the variables used in the regression analysis 55 



36 Effect of lake level on the bluff recession rate 57 



