50 CIR. 211, U. S. DEPT. OF AGRICULTURE 
of individuals, companies, and corporations in han- 
dling forest products, and plans may be prepared for 
improved methods, if it is judged that this will reduce 
waste in utilizing forest products and will secure 
information useful generally in the industry concerned 
to a degree sufficient to justify the project. Details 
regarding the terms on which cooperative agreements 
will be made may be had on application to the Forest 
Products Laboratory. 
PUBLICATIONS 
To facilitate widespread diffusion of useful knowl- 
edge relating to forests, forestry, and forest products, 
to promote increased use of the national forests, and 
to obtain the fullest possible cooperation of the public 
in their protection the Forest Service has issued a 
large number of publications. Its purpose is to make 
available as promptly as possible, through publica- 
tions, all new results of research work of value to 
scientists, foresters, timberland owners, farmers, lum- 
bermen, or the woodworking and allied industries. 
Some of these publications may be had free of charge 
as long as the supply lasts by applying to the Office 
of Information, Department of Agriculture. Others * 
are sold at a low price by the Superintendent of 
Documents, Government Printing Office, Washington, 
D. C., from whom price lists may be had free on 
application. 
PHOTOGRAPHS, LANTERN SLIDES, MOTION 
PICTURES, AND EXHIBITS 
The Forest Service has a considerable collection of 
photographs showing forest conditions and illustrative 
of forest utilization and forestry work generally in 
all parts of the United States. This collection is open 
to the public for inspection. Photographic prints, 
lantern slides, and forest maps are furnished for 
educational purposes, through loan or sale. 
