16 U.S.C. § 562
In order to determine and demonstrate the best methods for the conservative management of forest and forest lands and the protection of timber and other forest products, the Secretary of Agriculture is authorized and directed (1) to establish and maintain, in cooperation with the State of California and with the surrounding States, a forest experiment station at such place or places as he may determine to be most suitable, and (2) to conduct, independently or in cooperation with other branches of the Federal Government, the States, universities, colleges, county and municipal agencies, business organizations, and individuals, such silvicultural, dendrological, forest fire, economic, and other experiments and investigations as may be necessary.
16 U.S.C. § 562