- U - 



(3) Pile lumber with flue in center to aid rapid seasoning. (Care 

 must be taken that it does not check by drying too fast.) 



(U) Cut heavy dimension stuff, as far as possible, during the fall 

 and winter months. 



(5) End pile lumber during the winter, if necessary, to hasten 



drying . 



(6) Unless the trade requires it, avoid leaving bark on the edges 

 of lumber sawed from green logs. 



(7) Lumber yards located on flat, lov;, damp areas, where the water 

 stands after heavy rains, should be drained by a system of trenches. 



E. A. St. George, 



Assistant Entomologist. 



Approved: 



F. C. Craighead. 



Entomologist in Charge of Forest Insect Investigations. 



