Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Designed to make the findings of disaster research more accessible to research workers and to agencies and officials concerned with disaster problems. It includes studies which have been completed for some time but which have not: previously been published, as well as recently-completed studies. The study reported herein was supported by the Committee under Contract Number da-49 007-md-256 between the Department of the Army and the National Academy of sciences-national Research Council.
