bn:15714219n
Noun Concept
Categories: Vertical position, Zero-level elevation points, All articles needing additional references, Altitudes in aviation, Topography
EN
elevation above sea level in meters  height above mean sea level  height above sea level  above mean sea level  Above mean sea-level
EN
Height above mean sea level is a measure of the vertical distance of a location in reference to a historic mean sea level taken as a vertical datum. Wikipedia
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