225 ILCS 705/15.06
Current through Public Act 103-1052
Blow-down valves or filling valves shall be located around a corner of the coal pillar except where portable compressor machines are used for breaking down coal.
225 ILCS 705/15.06
Blow-down valves or filling valves shall be located around a corner of the coal pillar except where portable compressor machines are used for breaking down coal.
225 ILCS 705/15.06