; (10) the Spokane Tribe, having suffered harm similar to that suffered by the Colville Tribes, did not file a claim within the 5-year statute of limitations under the Indian Claims Commission Act; (11) neither the Colville Tribes nor the Spokane Tribe filed claims for compensation for use of the land of the respective tribes with the Commission prior to August 13, 1951, but both tribes filed unrelated land claims prior to August 13, 1951; (12) in 1976, over objections by the United States, the Colville Tribes were successful in amending the 1951 Claims Commission land claims to add the Grand Coulee claim of the Colville Tribes; (13) the Spokane Tribe had no such claim to amend, having settled the Claims Commission land claims of the Spokane Tribe with the United States in 1967; (14) the Spokane Tribe has suffered significant harm from the construction and operation of Grand Coulee Dam; (15) Spokane tribal acreage taken by the United States for the construction of Grand Coulee Dam equaled approximately 39 percent of Colville tribal acreage taken for construction of the dam; (16) the payments and delegation made pursuant to this Act constitute fair and equitable compensation for the past and continued use of Spokane tribal land for the production of hydropower at Grand Coulee Dam