FOREWORD 



O^^S CD 



I ' -t- 



§^^a DEEP FREEZE II was the third consecutive U. S. Navy 



a^^^° Antarctic Expedition in support of the International 



^ s=g '-^ Geophysical Year. Personnel from the U. S. Navy 



^^Sm Hydrographic Office, aboard four icebreakers, collected 



^^5° oceanographic and hydrographic data whenever the primary 



^^B^D objectives of the operation permitted. The analysis of 



g'^'g these data are presented in this report. 



)^c\ 



H. C. DANIEL 



Rear Admiral, U. S. Navy 



Hydro grapher 



