compiled by the Subcommittee on National Parks and Insular Affairs of the Committee on Interior and Insular Affairs of the U.S. House of Representatives, Ninety-sixth Congress, second session
prepared at the request of Warren G. Magnuson, chairman, Committee on Commerce, Science, and Transportation and Harrison A. Williams Jr., chairman, Committee on Human Resources, for the use of the Committee on Commerce, Science, and Transportation and Committee on Human Resources
compiled by Subcommittee on National Parks and Insular Affairs of the Committee on Interior and Insular Affairs of the U.S. House of Representatives, Ninety-fifth Congress, second session
prepared for the Subcommittee on Labor-Management Relations of the Committee on Education and Labor, U.S. House of Representatives, One Hundred First Congress, second session