Lambley Colliery (Hartleyburn) - Source of Reference
The information on this website is based on a range of published and unpublished works. Below is a list of the source of information used in writing this record.
(1) Oral information, correspondence or staff comments, 1986
(2) This record includes National Record of the Historic Environment Information provided by Historic England on 4 January 2021 licensed under the Open Government Licence [http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/]
(2a) Ordnance Survey Map OS, 1st edn, 6", Northumberland 100, 1865
(2b) Northumberland Mining Records, Northumberland Record Office