In my source records there is something called "Revision ONB" and I can't work out what the initials stand for. I think they may be something to do with the Ordnance Survey.

Any suggestions?

Thanks

Liz

Liz Williams

Historic Environment Record Officer

Northumberland Conservation

Development and Regulatory Services

Northumberland County Council

County Hall

Morpeth

Northumberland

NE61 2EF

Telephone: 01670 534060

Fax: 01670 533409

Email: [log in to unmask]

Website: www.northumberland.gov.uk/archaeology

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