Catalogue description Ordnance Survey: Trigonometrical and Levelling Divisions: Liverpool Levelling Books and Abstracts

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Details of OS 17
Reference: OS 17
Title: Ordnance Survey: Trigonometrical and Levelling Divisions: Liverpool Levelling Books and Abstracts
Description:

Surviving records from the original triangulation of Great Britain by the Ordnance Survey, these books contain descriptions and altitudes of bench marks levelled between 1865 and 1915.
Date: 1862-1925
Held by: The National Archives, Kew
Legal status: Public Record(s)
Language: English
Physical description: 96 volume(s)

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