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Define
Definitions for
"Datums"
Keywords:
ioc
,
geodetic
,
manual
,
volume
,
vertical
Geodetic vertical reference levels. See also Volume 3 of the IOC Manual for a list of often-used datums.
pol.ac.uk
Keywords:
theoretically
,
exact
,
planes
,
drawings
,
features
Theoretically exact planes, lines or points from which other features are located on design drawings.
bokers.com