Old Ordnance Survey Maps.
Great Britain.Ordnance Survey.
Alan Godfrey Maps.
Newcastle upon Tyne : Alan Godfrey Maps,
1998-
Panel title.
Reproductions, at slightly reduced scale, of maps originally issued by the Ordnance Survey at scale 1:2500.
Includes ill., business directory extracts and text describing the history of the areas mapped.
Includes bibliographical references.
Sheet 11.14. Knighton (1926) -- sheet 15.09. Rhayader (1902) -- sheet 23.09. Llandrindod Wells (1902)