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orthometric height . . . 2 matches
... is the distance measured above the [[geoid]]. It is the height obtained by [[differential leveling]] from known starting points, and is the height used for everyday purposes (a....

3.9k - rev: 18 (current) last modified: 2010-04-20 11:50:13

level line . . . 1 match
...A '''''level line''''' is a sequence of bench marks (i.e. "[[vertical control]]" [[station]]s), each a few miles from the other, that was surveyed by "[[differential leveling]]"....

0.2k - rev: 4 (current) last modified: 2009-03-21 21:03:19

elevation . . . 1 match
... a point with respect to a [[vertical datum]]. Elevation can be measured by [[differential leveling]], by [[GPS]] measurements, or by [[triangulation]] if the point measured is i...

0.3k - rev: 3 (current) last modified: 2009-03-21 21:03:18

Glossary . . . 1 match
...eet]], [[datum]], [[deck]], [[declination]], [[designation]], [[destroyed]], [[differential leveling]], [[DOT]], [[drilled hole]], [[DSFILES]], [[DSWIN]] ---- . <<Anchor(E)>> ....

3.0k - rev: 25 (current) last modified: 2009-03-21 21:03:19