Treaties and other international acts series. 7132. Forest Are protection, Alaska-Yukon boundary area, agreement between United States and Canada, effected by exchange of notes, signed Washington June l, 1971, with memorandum of agreement between U.S. Interior Department and Canadian Department of Indian Affairs and Northern Development, signed Ottawa Dec. 2, 1970 and Washington Apr. 21, 1970; [entered into force June 1, 1971].