Worked along 8 galleries following ore dipping at 54%. Galleries about 50m long.
External Links
Publications (3)
- (1920); BGS - Mineral Resources of GB (c1920s) Vol XIII - Iron Ores: Pre Carboniferous bedded ores of England and Wales; 144 pages
- BGS - Mine Plans (large, zoomable) - Ystrad Iron Mine; 1 pages
- Robert J.B. Trythall (1988); Mid-Ordovician Oolitic Ironstones of North Wales; 266 pages