. Transactions of the Institution of Mining Engineers . Fig. 8.—Type of Shovel Used. worked back to its present dimensions. Towards the west of theexposure lenses of sandstone interfinger the coal, but apart from thisthe deposits form no difficulty for the steam-shovel. Foothills Colliery (Figs. 4 and 11).—By reference to Fig. 4 it willbe seen that this mine is one operated by the usual methods. The coal-seam dips to the west at a low angle, and the face is thereby exposed 330 TRANSACTIONS INSTITUTION OF MINING ENGINEERS. [VoL. LXll. along the railway-cutting. A shaft follows the seam, and the
. Transactions of the Institution of Mining Engineers . Fig. 8.—Type of Shovel Used. worked back to its present dimensions. Towards the west of theexposure lenses of sandstone interfinger the coal, but apart from thisthe deposits form no difficulty for the steam-shovel. Foothills Colliery (Figs. 4 and 11).—By reference to Fig. 4 it willbe seen that this mine is one operated by the usual methods. The coal-seam dips to the west at a low angle, and the face is thereby exposed 330 TRANSACTIONS INSTITUTION OF MINING ENGINEERS. [VoL. LXll. along the railway-cutting. A shaft follows the seam, and the coal isremoved by horse traction to the trucks in the railway-siding. Harry Rhodes (Rotherham) : Could the author of the papergive us any information with regard to the output per man obtainedfrom these open-cast mines? If the paper had been on open-cast mining. Fig. 9.—Blackstone No. 6 Mine, showing Sandstone OvepvBURDen (Shovelresting on Top of Coal-seam).
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectmineralindustries
