Report on the lead mines on Sir W W Wynn Bart's estate

Scope and Content

Cwm Nant ddu, Caelan, Ednant, Llanerch-yr-aur, Melinberhedyn, Cwmbyr, Rhoswydol Penrhiwmwyn, Wynnstay, Cafartha, Nantiago, Westnanty, Cwmricket, Maesnant, Gwestyn, Aberdeunant, Van and Penclyn

and on Nantricket copper mine, by John Hughes.