CONTENTS 



Page 



PREFACE 1 



LIST OF TABLES 3 



LIST OF FIGURES 3 



PART I : INTRODUCTION 4 



PART 1 1 : GEOLOGIC SETTING 8 



PART III : PREVIOUS WORK 13 



PART IV: METHODS OF INVESTIGATION 16 



PART V: PROCESSES CONTROLLING MIGRATION 18 



Overwash 18 



Subs idence 21 



Longshore Drift 22 



Tidal Inlets 26 



PART VI : EVALUATION OF MIGRATION FROM 1853 TO 1980 32 



PART VI I : FUTURE PROSPECTS FOR ISLES DERNIERES 33 



PART VIII : CORRECTIVE MEASURES 36 



REFERENCES 37 



APPENDIX A: HISTORIC HYDROGRAPHIC CHARTS A1 



US Geological Survey Topographic Quadrangles A1 



US Coast and Geodetic Survey Hydrographic Charts A1 



