Underground section boxes or magazines shall be of substantial construction and placed in a crosscut or idle room neck at least 10 feet from roadways or trolley wires and in a reasonably dry and well-rock-dusted place.
225 ILCS 705/20.17
Underground section boxes or magazines shall be of substantial construction and placed in a crosscut or idle room neck at least 10 feet from roadways or trolley wires and in a reasonably dry and well-rock-dusted place.
225 ILCS 705/20.17