CaiiadicDi Forestry Magazine, October, ip20. 



443 



stead of taking them in tlie previous win- 

 ter, thus doing away with spoilage and 

 the cost of insurance and the labor neces- 

 sary to watch them. Then, too, it will 

 not be necessary to build large depots 

 from which, oftentimes, quite long hauls 

 to separate camps must be made, but 

 provisions and gear can be put right 

 down at each camp. 



In the purchase of lands for other 

 thin logging purposes, aerial photos are 

 invaluable, giving as they do, ALL the 

 information required. 



Are Aerial Photos Reliable 

 The aerial camera is going to be more 

 and more indispensible. So far as our 



The technic of reading these pictures 

 and of making estimates from them is 

 being carefully and thoroughly studied 

 and a regular dictionary being built up. 

 Much ground work will be carried out 

 this winter, especially in the estimation 

 of quantities from the photos. 



The Seaplane is Best Type 

 The following general conclusions can 

 be drawn from the experience gained 

 thus far. For work in country where 

 there are many lakes, the seaplane is the 

 be si type of machine. The float type 

 has not proved satisfactory, as the floats 

 are very fragile and easily become water- 

 logged. The seaplane is structurally 



"The actual number of trees can be determined." This photograpli gives a good idea of what an air 



photograph discloses. 



studies have gone, the types of timber 

 and land can be accurately determined. 

 The actual number of trees in the crown 

 rover can be determined and a fair idea 

 of the general size of the stand obtained. 

 Per forest maps they are inlinitcly bet- 

 ter than ground surveys, giving all the 

 information needed rapidly and accur- 

 ately and in a form which everyone can 

 easily learn to understand. Instead of 

 the information being stored up in a 

 man's head or in his notes which are 

 often colored by his personal idiosyn- 

 cras}'. it is always available and leaves 

 nc room for varying opinitms. 



.strong anil rugL^cd and will stand much 

 harder usage. It presents fairly stable 

 platform for a camera. The type we are 

 using is ideal from every point of view 

 except cost of operation and we havt^ 

 purcliased a Curtiss "SeaGuU" for pa- 

 trol work, passenger carrying and photo- 

 grajthy. 



The larger inacliiiies will he used for 

 oai ryiiig provi.-;iiMis, large jKuti^'s and 

 lire- tight in.i;' aj^paratus. 



Choose Pilot With Core 



'IMie personnel of a flying station is a 

 matter of great importance. Experi- 



