South & Mid Wales = De a Chanolbarth Cymru /
Great Britain.Ordnance Survey,cartographer.
Relief shown by shading, gradient tints and spot heights.
Includes index.
Ancillary maps : Aberystwyth --  Brecon/Aberhonddu --  Monmouth/Trefynwy --  Cardiff/Caerdydd -- Tenby/Dinbych-y-Pysgod -- Swansea/Abertawe -- Newport/Casnewydd -- scenic areas, national trails & cycle routes -- South Wales boundaries.