At head of title: U.S. Dept. of Commerce, National Oceanic and Atmospheric Organization; U.S. Dept. of Interior, Bureau of Reclamation; U.S. Dept. of Army, Corps of Engineers.
"Supersedes Hydrolometeorological report no. 43."
Four added maps each have title: General storm PMP index map.
"October 1994."
Included bibliographical references (pages 241-251).