Séa Level 
3 
Wakayva 
PLATE 22> 
2 fr aT 5. 
a6 ft 
go4 ft 4 
- N f Ngele Levu’, 
Sea Level if F f 
Sw eS = 
J D 19 
Nairai E Makongai 
Sea Level 
Yanutha 
Lomaloma 
pal Vatu 
bullia 100 ‘ 100 
’ ‘S 
Te i ¥ 
Great Astrolabe Reef N 
100 
~ y Sea Leve t 
Bry En 
32 + 
Vanua Mbalayu 
hi00 Soundings in fathoms. 
Heights in fect. 
’ BMetsel lth Bast 
