| 翻訳と辞書 | spot height 
 A spot height is an exact point on a map with an elevation recorded beside it that represents its height above a given datum.〔Whittow, John (1984). ''Dictionary of Physical Geography''. London: Penguin, 1984, p. 506. ISBN 0-14-051094-X.
 〕 In the UK this is the Ordnance Datum. Unlike a bench-mark, which is marked by a disc or plate, there is no official indication of a spot height on the ground although, in open country, spot heights may sometimes be marked by cairns.
 == See also ==
 
 * Surveying
 * Benchmark (surveying)
 * Triangulation station
 
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