Heliet Map ot ^ 



AUSTRALIA 



Shewing Trend Lines. 



Construclet! by 



W.tCM 1-1 lyre 



BatAd on Ma^s and Conl^i 



by KE. CRof.nson 



,\ 



::^ 



t3 

 4' 



Fig. 7. 



Fig. 



