This detailed map covers a busy area north of Wrexham, with several railways and communities shown. The Moss Valley runs up the western side of the map. Railways include stretches of the GWR Moss Valley Branch with Moss Halt, GWR Ffrwd Branch, GCR Westminster Colliery Branch, GWR Wheatsheaf Branch (part shown disused), GCR Brymbo Branch, and GCR line with Gwersyllt station.