Raw materials. Stock-piling, hearing before subcommittee on surplus property, 79th Congress, 1st session, on S. 752 and S. 1481, bills to amend act of June 7, 1939 (53 Stat. 811), as amended, relating to acquisition of stocks of strategic and critical materials for national defense purposes, and S. 1522, to regulate disposition of accumulations of strategic and critical materials, Oct. 30, 1945.