nybg
  1. Home
  2. 1950S Underground Mining Methods

1950S Underground Mining Methods

1950S Underground Mining Methods

In similar fashion the shortwall method used machinery to work a large portion of the coal face but limited the span to a 150-foot front. This technique proved slightly slower and less efficient than the longwall method but miners found it safer. As mechanization developed further surface mining replaced underground mining.
If you have any needs or questions, please click the button below and we will reply to you immediately.

Get Price List

Related News