Pub. L. 100–71, title I, July 11, 1987, 101 Stat. 415, provided in part: “That pursuant to 16 U.S.C. 251k, the Secretary may acquire the 270-acre parcel known as Keystone Spit on Whidbey Island, Washington, and convey such parcel to the State of Washington in exchange for the approximately 1,000 acres of tidelands owned by such State within the boundary of Olympic National Park: Provided further, That if recreational uses of these tidelands must be regulated, the National Park Service shall consult with the State of Washington prior to the implementation of any such regulations: Provided further, That the exchange must include the mineral rights of the tidelands.”