Briefing by the Secretary of the Interior : oversight hearing before the Committee on Interior and Insular Affairs, House of Representatives, Ninety-seventh Congress, first session.
United States.Congress.House.Committee on Interior and Insular Affairs.
Washington : USGPO,
1981.
Hearing held in Washington, D.C., February 5, 1981
Serial no.97-1
United States. Department of the Interior.