Map No. 117, Chester & Wrexham / Caer a Wrecsam, in the waterproof & tear-resistant OS Active version of the Ordnance Survey Landranger series at 1:50, 000, including Ellesmere Port, Neston, Frodsham, Helsby, Cuddington, Kelsall, Tarvin, Saughall, Burton, Connah