Report of the Department of Lands and Forests for 1950 No. 3 



Preliminary survey metal tags for the use of District Offices were designed and 

 obtained. These were tried out in certain Districts with considerable success. They 

 are made of nickel silver which has a high melting point. These are for use in the 

 field to designate preliminary summer resort locations prior to survey. 



Provincial Air Photographic Libr.ary 



Plans were formulated for the creation of an Air Photographic Library where 

 a copy of all aerial photographs covering the Province will be filed for reference 

 purposes. 



AERIAL SURVEYS SECTION 



During the fiscal year the Aerial Surveys Section covered 7,239 square miles 

 with vertical photography. 



The following table illustrates the breakdown of these figures: — 



Table No. 3 



AREA 



For Outside Concerns (sq. miles) 



xOnt.-Minn. Pulp and Paper Co. Ltd. _-.. 108 



City of St. Catharines 30 



138 



Other Government Departments 



Hydro-Electric Power Commission - — 737 



Highways — - 477 



xMines - — -- 172 



xxPlanning and Development 789 



Faculty of Forestry, U. of T. 44 



Department of Lands and Forests 



xForest Resources Inventory __- - 4,882 



2,219 



4,882 



Grand Total - - - 7,239 



X — Denotes Mapping included. 

 XX — Denotes Multiplex Work included {112 Sq. Miles). 



Table No. 4 



TOTAL OF .\ERIAL SURVEYS 1024 TO 1948 (MARCH 31) 



IN SQUARE MILES 



Aerial Sketching -- - 26,903 Sq. Miles 



Oblique Photography - 10,780 Sq. Miles 



Vertical Photography .- 89,974 Sq. Miles 



160 



