1905 



FORESTRY AND IRRIGATION 



213 



educational in character. Prominent 

 in both the exhibits are maps, models, 

 diagrams, photographs, transparenc- 

 ies and enlarged bromide photographs, 

 illustrating fully all general condi- 

 tions, and particular phases of the 

 work carried on by these closely al- 

 lied branches. There are 32 large 

 windows in the building; 16 will give 

 light. On one side of the building 

 eight of those remaining will be used 

 by the Reclamation Service to display 

 large transparencies, 30 by 40 inches, 

 illustrating conditions prevailing in 



nicies will illustrate the various prob- 

 lems with which this service has to 

 deal. In this connection, and indeed 

 in the whole exhibit, special attention 

 will be given to the close relationship 

 forest Cover bears to the industries 

 directly and indirectly dependent upon 

 water flow. 



The Reclamation Service will di- 

 rect attention to the importance of 

 preventing run-off, and of the storing 

 of water for irrigation and other pur- 

 poses. The floor space of the build- ' 

 ing will be devoted to material exhibits 



The Forestry Building at the Lewis and Clark Centennial Exposition. 



the various projects under considera- 

 tion, or showing special details of 

 them. The Forest Service will use 

 eight large windows on the opposite 

 side of the building, displaying a large 

 number of colored and uncolored 

 transparencies, illustrating forests and 

 forest conditions, types of commercial 

 and planted forests in the forest and 

 treeless regions of the United States, 

 together with a large number of 

 bromide photographs. The transpar- 



of both services. The Forest Service 

 will have material exhibits to further 

 show its various activities. Among 

 the prominent features here will be a 

 displav and demonstration of the gov- 

 ernment work being done in the test- 

 ing of commercial construction tim- 

 bers. A beam-testing machine of 200,- 

 ooo pounds capacilv will be in opera- 

 tion on the floor space. There will also 

 be shown here the preservation of con- 

 struction timbers by special treat- 



