An outline of the re-triangulation of Northern Ireland
By: by Lieut.-Col. W. R. Taylor.
Contributors: Ordnance Survey of Northern Ireland.
Publisher: H.M.S.O.
Published: 1967
Place of publication: Belfast
Language: eng
Number of pages: 27
Subjects: Geodesy -- Northern Ireland.; Northern Ireland -- Surveys.
Notes: At head of title: Government of Northern Ireland, Ordnance Survey.