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Amgueddfa Cymru – Museum Wales
Section along the Strike of the Bryn-yr-Afr and Hafan Lode showing Development Scheme in red. Horizontal scale 1 square = 50 feet, vertical scale 1 square = 10 feet. Longitudinal W-E section shows proposed (and unexecuted) work c.1910-20. Also shows parts of Hafan Mine, Nant-y-Cwpl trial shaft ("Molyneau Shaft") probably sunk c.1910, and Bryn-yr-Afr Mine.
