Maps and plans extracted to rolled storage from records of various departments

Description and record details

Reference	MR
Title	Maps and plans extracted to rolled storage from records of various departments
Date	16th century-1966
Description	This is one of 35 artificial accumulations created by the Public Record Office during the twentieth century to cater for maps, plans and drawings extracted from records following transfer to the Office, primarily as a preservation measure, usually if the item when opened exceeded the overall size of the document of which it formed part.
Arrangement	Maps, plans and drawings extracted by the Public Record Office (PRO) were originally allocated a two-part location code, consisting of a prefix and serial number. In this case MR denoted material extracted from records of various series to rolled storage, irrespective of length. The location codes came to be treated as document references. In 1998 the decision was taken to change them to standard three-part PRO references. The prefix MR then became a department reference, containing the series MR 1 in which each existing serially-numbered extract is a piece. Three further series, MR 2, MR 3 and MR 4, were created at the same time, to cater for extractions to rolls of varying lengths.
Held by	The National Archives, Kew
Legal status	Public Records unless otherwise stated
Language	English
Creator	Public Record Office, 1838-2003
Physical description	4 series
Access conditions	Subject to 30 year closure unless otherwise stated

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