This detailed and busy map covers the northern half of Aberdare, including Trecynon and Robert's Town; coverage stretches from Aberdare Cemetery eastward to Fothergill Street, and from Aberdare Park northward to Croesdy Patch.
Features include GWR Vale of Neath line with engine shed, Gadlys Junction, Cynon Tin Plate Works, stretch of GWR Cwmaman Branch, stretch of Taff Vale Aberdare Branch, Aber-nant House, Ysgubor-wen Colliery, Workhouse, Aberdare Park, Ysgubor-wen House, Aberdare Brick Works, Aberdare & Hirwaun Tramway, old tramways and inclines, old coal shafts etc. On the reverse we include an Aberdare Commercial directory, entries A-Gr.
The map links up with Glamorgan sheet 11.15 Aberdare to the south.