Q-pits are kiln sites which were dug for the production of white coal prior to the Industrial Revolution when white coal was largely superseded by the use of coke.
Q-pits are kiln sites which were dug for the production of white coal prior to the Industrial Revolution when white coal was largely superseded by the use of coke. (en)
Q-pits are kiln sites which were dug for the production of white coal prior to the Industrial Revolution when white coal was largely superseded by the use of coke. (en)