This sixth annual report describes progress achieved by the Federal Government in improving the communication of scientific and technical information to support and enhance national science and technology. Included in the report are details regarding the scientific and technical activities of individual Federal Agencies, such as the Atomic Energy Commission, Departments of Agriculture, Defense, Commerce, Health, Education, and Welfare, Interior, State, Transportation, and the Agency for International Development, National Aeronautics and Space Administration, and the National Science Foundation. The report also deals with operational techniques and systems accomplished during the year of 1968. This report should be of interest to those who wish to get a complete, concise view of how information is handled and disseminated by various Federal Agencies. (BR)