photo sheets on 1:4000 about 20000 km?. The total area of the country 
is 340 000 km?. 
f) The restitution works are not continuous enough to give reliable 
informations about the production and capacity. 
g) Not experiences enough to give reliable answeres. 
h) The above mentioned organizations execute all the different 
phases of the surveying works. 
¢) No. 
D) GENERALITIES. 
a) For instance at the work of settlement of the evacuated po- 
pulation. 
b) The photogrammetric works have given possibilities to in- 
vestigate the economical resources of the Nothern Part of Finland, mainly 
concerning the water power building, forestry and geology. 
A. RAINESALO, President 
K. LôrsTRÔM, vice President 
U. HELAVA, Secretary 
of the Finnish Society 
of Photogrammetry, 
Reporters 
Helsinki, February, 1952.