National Park Service : better management and broader restructuring efforts are needed : [statement of] James Duffus III, Director, Natural Resources Management Issues, Resources, Community, and Economic Development Division, before the Subcommittee on National Parks, Forests, and Lands, Committee on Resources, and the Subcommittee on Interior, Committee on Appropriations, House of Representatives / - Duffus, James. (The Office ;, 1995)