16 U.S.C. § 281b: Acquisition of lands; restrictions; tribal-owned lands

the nature of land use has changed significantly or that the landowner has demonstrated intent to change the land use significantly from the condition which existed on October 30, 1992 ; the acquisition by the Secretary of such land or interest in land is essential to assure its use for purposes set forth in this subchapter; and within an area depicted on Sheet 3, 4, or 5 of the map entitled “Nez Perce Additions”, numbered 429–20018, and dated September 1991, or within the 8-acre parcel of Old Chief Joseph’s Gravesite and Cemetery, Oregon, depicted as “Parcel A” on Sheet 2 of such map.