... the towneshipp of Esclusham, beeing part of ye said manno', is bounden from Minera by a little purle of water running from the mountayne called Glas-bry, downe by the landes called Tir Kelin, and so to Clywedog vpon ye west by the landes of Hugh ap Robert ap Howell in ye manno' of Minera, and part of Glasbrie, and part of ye mountayne towardes y Groes Newydd ; but the certaine boundes vpon ye said mountayne they cannot sett downe.
In the 1870s a further extension, the Wrexham and Minera Joint Railway, was built from Brymbo through to an end-on connection with the LNWR's Ffrith Branch, which ran from Llanfynydd to Coed Talon near Mold.