Appendix Title Page 



A. Navigability in Arctic and Northern Seas 464 



B. Notes on Ice Seamanship and Navigation Amongst Ice 467 



C. Design Criteria for U. S. Naval Materiel for use in Arctic 

 and Cold Weather Areas 483 



D. Track Charts of Operations in Western Arctic, Summer of 

 1948, and Winter 1948-1949 484 



VI 



