Dunbar West to Dunbar Tidal Observatory
Second geodetic levelling, England & Wales.
Geodetic line, levelled between October 1913 and December 1913.
Levelling Route
| FBM | Dunbar West. | 81.0800ft | NT 6691 7894 | |
| 561 | Flush Bracket on N.W. angle, C Block, Dunbar Barracks. | 58.3550ft | NT 6782 7910 | |
| TIDAL | Observatory B.M. | 12.8400ft | NT 6786 7934 |
This route is covered by Landranger sheet 67. (interactive map)