One hundred mines operated in the Lethbridge area from 1874 to 1965. Over 3,200 kilometres of tunnels were dug and millions of tons of coal were removed.
Read more: https://bit.ly/2yo8dsg
One hundred mines operated in the Lethbridge area from 1874 to 1965. Over 3,200 kilometres of tunnels were dug and millions of tons of coal were removed.
Read more: https://bit.ly/2yo8dsg