Note 73 — Chapter IV
Reading edition
The Lens coal mines, which were the object of most complete destruction, comprised 29 pits, and had, in 1913, 16,000 workmen with an output of 4 million tons.
Reading edition
The Lens coal mines, which were the object of most complete destruction, comprised 29 pits, and had, in 1913, 16,000 workmen with an output of 4 million tons.