Department of the Interior and related agencies appropriations for fiscal year 1977. Part 5, Department of Health, Education, and Welfare, Department of the Interior, Federal Energy Administration, Funds Appropriated to the President, Nongovernmental Witnesses, Pennsylvania Avenue Development Corporation: hearings before a subcommittee of the Committee on Appropriations, United States Senate, Ninety-fourth Congress, second session, on H.R. 14231 ...