International records / UK National Archives
NIGERIA 1:50,000 GOMBE, Appendix "A" : authority for mapping, mapping area, air photography, diagrams, general material, dyelines, plan control assessment, reports and footnotes data.
CCS/DOS/297/7 | The Charles Close Society Archives Catalogue.Ordnance Survey International.
No file is held for this record yet. The catalogue entry and the link to where it was published are kept.
