This category contains the geospatial information related to spot height, contours, altimetric data and gravity data.
An imaginary line formed by connecting points on earth surface having the same elevations.
A high, steep face of rock
An excavated channel through high ground.
An earth or concrete bank for keeping back water, or for carrying a road or railway or for protecting adjacent land from inundation by flood water
Locations where height has been determined with respect to a vertical datum