ACCESSIBILITY OF ANTARCTIC COAST 
{74 LIMIT OF PACK ICE PART OF THE YEAR 
<cTTTTT «LIMIT OF PACK ICE IN ALL SEASONS 
AT TIMES ACCESSIBLE TO UNREINFORCED 
SURFACE VESSELS IN SOUTHERN SUMMER 
INACCESSIBLE TO UNREINFORCED SURFACE 
Cs VESSELS IN SOUTHERN SUMMER 
(source: H.O.Pub, No. 705, 1957) 
$00 1000 MILES. 
50 1000 1800 KILOMETERS 
0: 
{Bouvet I. 
(Nor) 
pNe ZEALAND 
Macquarie I. 
Marion I. 
“Pr. Edward |. 
(S. Afr) 
Political claims on the Antarctic Continent. All of these claims are 
official so far as the claimant countries are concerned, but the 
United States has never formally recognized foreign sovereignty 
claims in the Antarctic, nor has the government itself made any 
official claims to Antarctic territory (see text). Note the inaccesst- 
bility to surface vessels of the coast of the unclaimed sector between 
90° and 150° W. 
