PRINCIPAL LAWS RELATING TO NATIONAL FORESTS 29 
public emergency relating to epidemics: And provided further, That 
the provisions of this act shall be construed as supplementing all 
other acts relating to the Department of Agriculture, and except as 
specifically provided shall not limit or repeal any existing legislation 
or authority. 
Szc. 2. That for conducting fire, silvicultural, and other forest 
investigations and experiments the Secretary of Agriculture is 
hereby authorized, in his discretion, to maintain the following forest 
experiment stations for the regions indicated, and in addition to 
establish and maintain one such station for the intermountain 
region in Utah and adjoining States, one in Alaska, and one in the 
tropical possessions of the United States in the West Indies: 
Northeastern forest experiment station, in New England, New 
York, and adjacent States; 
Allegheny forest experiment station, in Pennsylvania, New Jersey, 
Delaware, Maryland, and in neighboring States; 
Appalachian forest experiment station, in the southern Appa- 
lachian Mountains and adjacent forest regions; 
Southern forest experiment station, in the Southern States; 
Central States forest experiment station, in Ohio, Indiana, Illinois, 
Kentucky, Missouri, Iowa, and in adjacent States; 
Lake States forest experiment station, in the Lake States and 
adjoining States; 
California forest experiment station, in California and in 
adjoining States; 
Northern Rocky Mountain forest experiment station, in Idaho, 
Montana, and adjoining States; 
Northwestern forest experiment station, in Washington, Oregon, 
and adjoining States, and in Alaska; 
Rocky Mountain forest experiment station, in Colorado, 
Wyoming, Nebraska, South Dakota, and in adjacent States; and 
Southwestern forest experiment station, in Arizona, and New 
Mexico, and in adjacent States, and in addition to establish and 
maintain one such station for the intermountain region of Utah and 
adjoining States, one for Alaska, one in Hawaii, and one in the 
tropical possessions of the United States in the West Indies, and one 
additional station in the Southern States. 
There is hereby authorized to be appropriate annually out of 
any money in the Treasury not otherwise appropriated, not more 
than $1,000,000 to carry out the provisions of this section. 
Src. 3. That for investigations of the diseases of forest trees and 
of diseases causing decay and deterioration of wood and other forest 
products, and for developing methods for their prevention and con- 
trol at forest experiment stations, the Forest Products Laboratory, 
or elsewhere, there is hereby authorized to be appropriated annually, 
out of any money in the Treasury not otherwise appropriated, not 
more than $250,000. 
Src. 4. That for investigations of forest insects, including gypsy 
and browntail moths, injurious or beneficial to forest trees or to 
wood or other forest products, and for developing methods for pre- 
venting and controlling infestations, at forest experiment stations, 
