Catalogue description Triangulation (Trig) Station number SU/31/T419. Trig name: Sway Tower: tertiary mark....

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Details of OS 69/17666
Reference: OS 69/17666
Description:

Triangulation (Trig) Station number SU/31/T419. Trig name: Sway Tower: tertiary mark. National Grid reference: SZ(40)/29 (10 km square at 1:25000 scale) or SZ 2796 (1 km square at 1:2500 scale). Missing at transfer

Date: 1935 Jan 01 - 2008 Dec 31
Held by: The National Archives, Kew
Legal status: Public Record(s)
Closure status: Open Document, Open Description
Access conditions: Open on Transfer
Record opening date: 25 July 2013

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