CONTENTS 



Page 



Abstract 1 



Introduction 1 



Commentary, figures and data 1 



Grand Harbour, Grand Manan 4 



Portland Lightship 6 



Boston Lightship 19 



Georges Shoal, Texas Tower #2 26 



Nantucket Shoals, Texas Tower y>3 29 



Nantucket Lightship 31 



Woods Hole, Massachusetts 44 



Buzzards Lightship 46 



Ambrose Lightship 49 



Texas Tower #4 (off New York) 56 



Barnegat Lightship 58 



Five Fathom Bank Lightship 66 



Winter Quarter Lightship 74 



Chesapeake Lightship 82 



Diamond Shoals Lightship 90 



Frying Pan Shoals Lightship 104 



Savannah Lightship 112 



Literature Cited 119 



iii 



