The term 'Basket Coal Mine' refers to a type of coal mining that was used in the 19th century. It involved miners digging a deep vertical shaft and then using baskets to transport the coal up to the surface. The SEAM solution is a layer of coal within the mine, the SLAG solution is a by-product of the mining process, the TRAM solution is a type of transport system used to move coal from the mine to the surface, CANARIES refers to the use of birds to detect dangerous levels of METHANE gas in the mine, and METHANE is a flammable gas that can be found in coal mines.