25 U.S. Code § 564w–2 - Federal acquisition of tribal land
(a) Condemnation authority
The Secretary of Agriculture is authorized and directed to acquire by condemnation all of the Klamath Indian forest lands which the trustee for the Klamath Indian Tribe is required to sell by the terms of its trust agreement, and the lands so acquired shall become a part of the Winema National Forest.
(b) Initiation of action; authorization of appropriations
The condemnation action may be initiated either before or after the lands are offered for sale by the trustee, and for the purpose of carrying out the provisions of this section, there is hereby authorized to be appropriated not to exceed $70,000,000.