PRELIMINARY ANNOUNCEMENT Conference on Public Swimming Pools for Interested City Officials, Park Superintendents, Pool Operators and Managers, Consulting Engineers, and Architects, Directors of Physical Education, and Life Guards. Discussion of Design and Operation problems from the standpoints of Sanitation, and Recreztional program. April 21 & 22, 1939 Marvin Hall, University of Kansas Lawrence, Kansas Auspices of School of Engineering and Architecture in cooperation with the Department of Bacteriology, and the Department of Physical Education, University of Kan- gas, and Division of Sanitation, State Board of Health: