[Brief for the United States, Appellee; Reply Brief for Appellant; Response to Reply Brief of Appellant; Supplemental Brief for the United States, Appellee; Appellant's Reply to Supplemental Brief for the United States; Digest of Defendant's Valuation Exhibits; Digest of Petitioner's Exhibits; Defendant's Requested Findings of Fact as to Damage and Compensation, Objections to Petitioner's Proposed Findings of Fact, and Brief; Petitioners' Objections to Defendant's Requested Findings of Fact, Response to Defendant's Objections, and Reply Brief]