Levelling Homepage Ordnance Survey's
Levelling
of Great Britain		 [1GL, 2GL Abstract]
[1GL, 2GL Transcription]		 [Timeline]
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'Levelling' Files

[General Levelling Files - 1GL - 2GL] (All | Viewed)

[Summary of Records of the Ordnance Survey of Great Britain]

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RefSourceDateNotes
+ - OS 54Ordnance Survey: Trigonometrical and Levelling Divisions: Levelling Books and Abstracts1874-1954
OS 54/239A 577 Special levelling (Wigton 1949) (Wiltshire 1949)1949 Jan 01 - 1949 Dec 31
OS 54/246A 584 Special levelling (Chatham - Dunkirk 1950) (Sheffield 1950) (Yorkshire 1950)1950 Jan 01 - 1950 Dec 31
OS 54/258A 596 Special levelling (Eskmeals 1952) (Aberporth 1952)1952 Jan 01 - 1952 Dec 31