Title from HTML index page (viewed Mar. 13, 2009).
"Prepared under the direction of the president, Mississippi River Commission, by the U.S. Army Engineer District, New Orleans."
Includes index maps.
"File no. H-5-55630"--On each map.
Mode of access: Internet from the USACE web site. Address as of 3/13/09: http://www.mvn.usace.army.mil/eng/2007MissRiverBooks/04%5Fhydro%5Fbook.asp; current access is available via PURL.