Bui. 475, U. S. Dept. of Agriculture. PLATE I. 
F-22221 A 
Fig. 1.— Jack Pine Planted on Nebraska Forest, April, 1911. Photographed 
May, 1914. 
F-222I6A 
Fig. 2,— Portable Field Camp on Nebraska Forest Providing Accommodations 
FOR 34 Horses and 50 Men. This Camp is Moved Every Two Years. 
