TIMBER STOEAGE IN THE EASTERN AND SOUTHERN STATES. 



25 



within a year under such conditions. The present practice is to use 

 strips 4 inches wide and 1 inch thick of air-dry No. 2 pine. This 

 method has proved entirely satisfactory. 



In laying sticks careful attention should be paid to placing the 

 successive strips vertically one above the other. If they are placed 

 hit or miss, certain ones may fall in the span of the next tier below, 

 thus producing much unnecessary warping of the lumber, due to 

 the pressure of the overlying layers. 



In all cases of flat piling of green lumber care should be taken to 

 leave a space of at least half an inch between the edges of the stock. 

 This gives a vertical air circulation, which is particularly effective. 



Fig. 25. — Piling sticks placed on wet ground beneath the skids. In order to keep them 

 free from infection, such sticks should never be placed in contact with the soil. 



Two other methods of piling 2 to 3 inch stock are used to some 

 extent with good results. The edge piling of 2 by 4's (fig. 27), 

 sticking the pieces in the usual way, has given good results at several 

 mills where flat piling produced an appreciable amount of deteriora- 

 tion. The method of flat piling without the use of sticks, occasion- 

 ally employed with 2 by 6's, in which horizontal circulation is pro- 

 vided for by leaving wide spaces between the edges of the stock 

 (fig. 28), would not appear to offer as good opportunities for drying 

 lumber in a moist climate as the more usual method which makes use 

 of sticks. 



