theories have been ascribed to the decision by city officials during the Great Mississippi Flood of 1927 to set off 30 tons of dynamite on the levee at Caernarvon, Louisiana which eased pressure on levees at New Orleans but flooded St. Bernard Parish, the Ninth Ward taking the brunt of the city's flooding during Hurricane Betsy, the general disenfranchisement of blacks and lower-class people, and the similarity of the sound of the levees collapsing to that of a bombing. See also Flood Control Act of 1965 17th Street Canal Civil engineering and infrastructure repair in New Orleans after Hurricane Katrina Drainage in New Orleans Industrial Canal ING 4727 Old River Control Structure The New Orleans Levee (newspaper) Seabrook Floodgate London Avenue Canal U.S. Army Corps of Engineers civil works controversies (New Orleans) References Further reading Bush, Ann McReynolds, "Katrina: 10 Years On" (year 2015 publisher+Amazon Horowitz, Andy. Katrina: A History, 1915–2015 (Harvard University Press, 2020), long-term scholarly perspective. Rosenthal, Sandy, Words Whispered in Water: Why the Levees Broke in Hurricane Katrina (Mango, 2020), non-fiction account of author’s battle to expose Army Corps of Engineers External links Levees.Org (non-profit flood protection group in New Orleans) Interagency Performance Evaluation Taskforce (IPET) Draft Final Report (1 June 2006) provided by USACE Note: Site may be slow to load and considered non-secure by IE7 IPET Draft Final Report (1 June 2006) provided by The Times-Picayune Independent Levee Investigation Team (ILIT) Final Report (31 July 2006) * ASCE Hurricane Katrina External Review Panel Report (2007). at web.archive.org Decision-Making Chronology for Hurricane Protection Project George W. Bush administration controversies Dikes in the United States