| AdminHistory | Administrative History
(Joint Consultative Committee on Regional Planning until 1965. Comprises Cumberland County, Durham County, North Riding County, Northumberland County, Westmoreland County, Carlisle County Borough, Darlington County Borough, Gateshead County Borough, Newcastle City, South Shields County Borough, Sunderland County Borough, Teesside County Borough, Tynemouth County Borough and Department of the Environment) |