GOVERNMENT FOREST WORK 51 
Material for use in visual education may be bor- 
rowed for short periods without cost except for trans- 
portation, by schools, libraries, clubs, and other insti- 
tutions or organizations. This material consists of 
traveling exhibits, sets of lantern slides, and motion- 
picture films. 
The traveling exhibits include sets of enlarged 
photographs illustrating the subjects of forestry, 
nature study, and farm woodlands, and specimens 
of commercial wood species, with maps and other 
information. 
The lantern slides, most of which are in sets accom- 
panied by lecture outlines, illustrate the subjects of 
general forestry, the work of the Forest Service, for- 
estry in its relation to farm woodlands, nature study, 
geography, manual training, ete. 
The motion pictures, most of which are One reel 
(1,000 feet) in length, cover the subjects of fire pre- 
vention, reforestation, lumbering, grazing, Forest 
Service work, the forests as reservoirs, and the forests 
as places of recreation and beauty. 
The Forest Service maintains a considerable amount 
of materiai for use in making exhibits at fairs and 
_ expositions, both in cooperation with other bureaus of 
~;the Government and independently. 
Particular attention is given to enlisting the inter- 
est and cooperation of the public in the prevention 
and control of forest fires and in the extension of the 
+ practice of forestry by private owners, and wide use 
* of the national forests is promoted by directing the 
_ preparation and diffusion of information having this 
end in view. 
GENERAL INFORMATION 
The Forest Service furnishes information and illus- 
trations, upon request, to writers of magazine and 
newspaper articles. Advice and assistance are avail- 
able to authors and publishers of textbooks having 
_ to do with forests and forestry. 
