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The information on this website is based on a range of published and unpublished works.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, I Ayris, 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