252 



GOVERNMENT REGULATION AND WORKING PLANS 



ACCESSORY YIELD (non ligneux) in Francs 



It is rather surprising to see the price per cubic meter for the windfall 

 (5.4) greater than the price for the regular cut (5.2) ; this is explained by 

 the cost of logging scattered timber as contrasted with the clean cutting 

 of a considerable windfall even though it were thrown on the market quite 

 unexpectedly. 



Part III. — Revision. Chapter 1, General Considerations. — The neces- 

 sity for varying the management boundaries is here taken up; these are, 

 of course, merely worldng plan lines. 



Rotation. — In the words of M. Schaeffer, "The rotations are actually 

 fixed at 180 years for the spruce and pines and at 240 years for the 

 larch. The notion of a distinct rotation for each species is a theoretical 

 consideration which does not possess much weight practically ... as 

 a simplification we propose to adopt a single average rotation of 200 

 years." This policy seems to be so well adapted to practical conditions 

 in the United States that it has been quoted in part verbatim. 



Chapter II. — Special Study of Each Working Group. — (Art. 1) 



