TABLE OF CONTENTS 



Pag* 



Introduction 1 



Narrative of the nine cruises, February 11 to June 15 1 



Summary report of the commander, ice patrol 5 



Table of ice and other obstructions 7 



Weather 21 



Radio communications 28 



Ice observation 31 



Charts of ice and ice drifts, 1930 34 



Oceanography 35 



Oceanographic charts 39 



Table of oceanographic station data 45 



(ni) 



