Crest Width : The width or thickness of a dam at the level of the crest of the dam. In general, the term "thickness" is used for gravity and arch dams and "width" is used for other dams
State of Nevada Division of Water Resources (NDWR), Dam Safety - Glossary of Terms, NV, USA 2013. http://water.nv.gov/engineering/Dams/Glossary.cfm, (Dam Sfty - Amer) {891}