Home Cwmbyrgwm Water Balance Pit.NGR SO 251033. Abersychan, Gwent. Cwmbyrgwm Water Balance Pit.NGR SO 251033. Abersychan, Gwent.

Cwmbyrgwm Water Balance Pit.NGR SO 251033. Abersychan, Gwent.

Coal mine haulage, Meghalaya, IndiaPhoto by Annie Audsley
A section of tramway, showing the flange cut into the granite blocks