Mean tide level
Plane midway between Mean High Water and Mean Low Water. Not necessarily equal to Mean Sea Level. Also called half-tide level. (US Army Corps of Engineers, Low Cost Shore Protection: A Property Owner's Guide, 2004)
Plane midway between Mean High Water and Mean Low Water. Not necessarily equal to Mean Sea Level. Also called half-tide level. (US Army Corps of Engineers, Low Cost Shore Protection: A Property Owner's Guide, 2004)