Ordnance Survey International

The Ordnance Survey International and its predecessors built an archive of air photography, map and survey records for the United Kingdom from 1946 to 1999. The Ordnance Survey International Collection (formerly the Ordnance Survey International Library) held mapping records that were acquired outside the UK.

The agency was closed in 2001. Responsibility for its archive passed to The National Archives c2003; it was dispersed shortly thereafter.

In 1946 the Directorate of Colonial Surveys (DCS) was established by the Colonial Office to provide a central survey and mapping organisation for British colonies and protectorates. In 1957, with the imminent decolonisation of many British territories, it was renamed the Directorate of Overseas Surveys (DOS). Government reviews during the 1970s led to it being merging into the Ordnance Survey (OS) in 1984 whence it was known as the Overseas Surveys Directorate (OSD).

In 1991, following completion of the last significant aid-funded mapping projects, its name was changed one final time to Ordnance Survey International and its main activity became consultancy, primarily in Eastern Europe. It was closed in 2001.

The aerial photographs, maps and survey data were originally kept in separate libraries but were amalgamated in 1984 into a single collection called Technical Information and Support Services. In 1991 this was renamed the Ordnance Survey International Library. In 2002 it was decided that it was no longer needed and responsibility for its disposal was passed to The National Archives. During 2003 and 2004 The National Archives, the Ordnance Survey and advisers from specialist bodies jointly appraised the collection to determine which records should be kept and by which custodians. The collection was dispersed during 2004.

The content and locations of the archive are comprehensively described at The Ordnance Survey International Collection

This page was last edited on 25 June 2017, at 11:54.
Reference: https://en.wikipedia.org/wiki/Directorate_of_Overseas_Surveys under CC BY-SA license.

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