Fig.13: Ottaw 
  
aerial photc 
7. FUTURE O 
In 1981 
Seasat radar 
one year aft 
With thi 
determinatio 
It will 
imagery prov 
LITERATURE 
1. Derenyi, 
2. Dowman, 'I 
gress of 
3. Doyle, F. 
1077-1106 
4. Hofmann, | 
. Kamera vo 
5. Keller, M 
graphy, P 
6. Konecny, 
Atlas-Stu 
7. Konecny, 
phischen 
Universit 
8. Welch, R. 
8: 1174-1 
9. Wong, K.W 
621-635. 
10. U.N.Study 
Study no.