Tieback Levees : Levees that extend from the main levees along a river, lake, or coast to bluff line (high ground) and are part of the lines-of-protection
Department of Homeland Security, Federal Emergency Management Agency (FEMA), Levees: Identifying the Risk, Glossary: Frequently Used Terms for Levee Systems, Washington DC, USA 2008. http://www.fema.gov/media-library-data/20130726-15 54-20490-4604/lv_gloss.pdf, (Dam Sfty - Amer) {892}