SILVICULTURE SECTION 

 INVENTORY UNIT 



Spartan Air Services Ltd. completed vertical aerial photography 

 , of 7,772 square miles in the districts of Sudbury and Swastika, which were 

 not photographed in 1959 due to poor weather. A contract was awarded 

 Capital Air Surveys Ltd. for vertical aerial photography of 12,700 square 

 miles in the Parry Soimd, Lindsay and Tweed districts. The contractor 

 completed 12,533 square miles satisfactorily, and the remainder will be 

 photographed in 1961. 

 J Field work was completed on 12,970 square miles in the Tweed, 



I Lindsay, Kemptville, Swastika and Sudbury districts. Six field parties 

 cruised the Watabeag, Kirkland Lake, Larder Lake, Wanapitei, Onaping, 

 Spanish River, Tyson Lake, Burwash, Trout Lake, Gooderham, York, Madawaska 

 and Moira Crown management units and the Larose Agreement Forest. 



Photo interpretation was completed for 5,700 square miles in 

 Swastika, Sudbury, Lindsay, Tweed and Kemptville. Forest stand maps and 

 forest ledgers were completed for 7,^00 square miles. These covered the 

 Crown management units of Timagami, Cobalt, Jocko, Mattawa, Nipissing, Kiosk, 

 Whitney, Round Lake, and Muskrat in the North Bay and Pembroke districts and 

 the Larose Agreement Forest in the Kemptville district. Work proceeded on 

 revision of the planimetric base maps for those areas covered by the completed 

 1959 photography. 



The multiplex plotter was used to prepare contour and form-line 

 plans for the Parks Branch and the Department of Commerce and Development. 

 Work was carried out for the Driftwood Park, Grand Lake Park, Butt Lake Park, 

 and the Mo\mtsberg and Valens Reservoirs. 



The use of planimetric and forestry maps remained at a high level. 

 The photo processing staff produced 41,707 contact prints, l,S8l photo mosaics 

 at a scale of 1" « 1 mile, and 1,314 at a scale of 4" s 1 mile, 2,321 

 enlargements, 342 film diapositives, 44 multiplex plates, 259 Kelsh plates, 

 1,045 copy negatives, 73 cronaflex and developed 5 rolls of aerial film. 



Silviculture Series, Bulletin No. 1, Inventory Maintenance Procedure 

 for Ontario, published February I960, was released for general distribution. 



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