A mine's inspector report of 1881 is the first to describe a mine called the Big Pit due to its elliptical shape with dimensions of by, the first shaft in Wales large enough to allow two tramways.
A mine's inspector report of 1881 is the first to describe a mine called the Big Pit. The new main shaft was sunk in 1860, named "Big Pit" due to its elliptical shape with dimensions of by, the first shaft in Wales large enough to allow two tramways.