183.3 A57 1970 (Library of Congress Card No. 74-607546) For sale by the Superintendent of Documents, U.S. Government Printing Office Letter of Transmittal 1 Washington, D.C. Dear Dr. DuBridge: I have the honor to transmit to you this Directory of Federal R&D Installations, as of June 30, 1969, as requested in your letter of March 14, 1969. Sincerely yours, Womerbay W. D. McElroy National Science Foundation Honorable Lee A. DuBridge, Chairman Federal Council for Science and Technology iii |