Mining Methods: Longwall, Horizon and Level Mining Methods | Mining Technology

Mining Methods: Longwall, Horizon and Level Mining Methods! Apart from the commonly practiced "bord and pillar" method of mining followed in this country, the other methods of mining adopted in some collieries are: 1. Longwall Mining Method 2. Horizon Mining 3. Level Mining or Semi-Horizon Mining  Room and pillar method of mining is not practiced in any of the collieries [...]