Catalogue description Ordnance Survey: Trigonometrical and Levelling Divisions: Pre-Cyclic Levelling: Records

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Details of OS 20
Reference: OS 20
Title: Ordnance Survey: Trigonometrical and Levelling Divisions: Pre-Cyclic Levelling: Records
Legal status: Public Record(s)
Language: English
Access conditions: No records held at The National Archives for this series

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