DEPARTAIEXT OF LANDS AND FORESTS FOR 1948 



79 



Aerial Surveys Section 



Vertical photographs covering an area of 11,613 square miles were taken 

 during this fiscal \ear. 



Photographs at a scale of 500 feet to 1 inch were taken over an area of two 

 square miles for the Department of Planning and Development. From these 

 photographs, it is possible to produce maps showing contours at 5-foot intervals 

 b\- using the Multijjlex Projector. These maps are used for conservation schemes 

 and power develojjments. 



In addition to the development of fihn, cop\' negatives and enlargements, 

 42,000 photographs were printed during the year. 



The following table shows the distribution of the work performed: 



*Denotes Mapi)int; n(|iiirt-(i. 



