Bui. 440, U. S. Dept. of Agriculture. 
Plate X. 
F-I5944-A 
Fig. 1.— Main Line Logging Railroad and Dug Landing on Typical Logging 
Operation in the Sugar and Yellow Pine Region. 
F-I5857-A 
Fig. 2.— Frame Trestle on Logging Railroad in the Sugar Pine Region. 
