KUTSaiALE: LOi/7-FREQUENCY PROPAGATION IN THE ICE-COVERED ARCTIC OCEAN 



^IBERIA 



LOCATIONS OF "NORTHWIND 

 SHOTS RECORDED ON T-3'65 



500 



KILOMETERS 



Figure 4. BATHYMETRIC MAP OF THE CENTRAL ARCTIC OCEAII. 

 PROPAGATION PATHS ARE NUMBERED 1 TO 6 . PRO- 

 FILES 1 AND 2 RECORDED ON FLETCHER'S ICE 

 ISLAND (T-3) DURING MAY 1968. CONTOURS BASED 

 ON GEOLOGIC MAP OF THE ARCTIC (19 60) 



691 



