Indiana Dunes National Lakeshore hearing before the Subcommittee on Parks, Recreation, and Renewable Resources of the Committee on Energy and Natural Resources, United States Senate, ninety-sixth Congress, first session on S.599, September 20, 1979
United States.Congress.Senate.Committee on Energy and Natural Resources.Subcommittee on Parks, Recreation, and Renewable Resources.
Washington USGPO
1980
Indiana Dunes National Lakeshore, Ind.