North of England Institute of Mining Engineers. Transactions, Volume 11

accident Aspatria basalt beam beds of coal beds of limestone blue boiler explosions bottom Boyd brown Byreburn Canonbie Canonbie coal-field carboniferous series coal basin coal beds coal formation coal seams Colliery Cumberland deposits depth discussion district Ditto Dunn dyke Elsecar fathoms feet Fence Houses Ferry Hill Freestone geological Grey beds Grey metal heat Hetton hills inches Institute iron ironstone Langholm Liddel lignite lime Longtown lower coal magnesian limestone MARLEY meeting Mid-Lothian millstone grit mountain limestone Natural History Society Newcastle Newcastle-on-Tyne Northumberland old red sandstone paper Pentland Hills Penton permian pipe Plashetts plate PRESIDENT pressure regular coal measures sand Scotland Scremerston seams of coal Seaton Burn shale silurian silurian rocks specimens steam boiler stone strata surface temperature thick thin tubbing unconformably upcast shaft valve ventilation water gauge whin sill Whitehaven Yard Seam Yorkshire