Mitcheldean Road & Forest of Dean Junction Railway Dean Railway branch at Whimsey. The capital was £30,000 in £10 shares, and there were borrowing powers for £10,000. The GWR was authorised to subscribe up to half the capital. Five years were allowed for completion of the line; there was no mention of carrying passengers. The engineer's estimate for construction was £28,268, no stations being envisaged. The company was authorised to enter into agreements with the GWR for working and maintaining the line. By the time of the Act, the Hereford, Ross and Gloucester Railway line was standard gauge but the Forest of Dean Railway branch was still broad
Forest of Dean Coalfield feature of the Forest of Dean Coalfield is that its edges are almost entirely exposed at the surface. Mining in the coalfield has always been hampered by the excessive amount of water encountered underground - trapped by the basin-shaped strata. Water drains into the basin by general percolation and, more directly, via surface watercourses. For much of their length, streams in the area run over impervious clay deposits, but, where valleys cut through the rim of the basin, carboniferous limestone and sandstone are exposed, allowing water to penetrate underground via swallow holes, cracks, and fissures. Water also enters the basin