TESTS OP EOCKY MOUNTAIN WOODS FOR TELEPHONE POLES. 



thoroughly seasoned, the bark probably havmg been removed at 

 the time of cutting. All were nearly straight, and checked to the 

 extent usual for seasoned material. A majority had straight graui. 



GREEN LODGEPOLE PINE. 



» 



Twentyrtwo lodgepole pine poles were cut near Anaconda, Mont., 

 in July, 1911, on the Deerlodge National Forest, m a dense stand 



Paler/o- 9 



Pole ryojs 



PaI&//o/7 



PaU//o22 



Fig. 3. — Moisture distribution in four air-seasoned lodgepole pine poles. Figures indicate per cent 



moisture within areas. 



on a gentle west slope at an elevation of about 6,500 feet. Upon 

 arrival at the testing laboratory the poles were open-piled in two 

 layers for seasoning. Three poles were weighed at approximately 

 weekly intervals to determine the rate of drying. Figure 2 shows 

 graphically the rate based on these weights. Based on their shipping 

 weight the poles had an average moisture content of 60 per cent 

 when shipped. Assuming that the three poles represent the average 

 of the shipment, the poles had dropped to 48 per cent moisture by 



