1.   Comp of the Interior Department recalls the pride in coal country when miners produced the coal and coke that forged the steel of a new economy.

2.   Investigators were considering the possibility of whether an internal defect, called transverse fissure, may have occurred when the steel in the rail was forged.

3.   Investigators were considering the possibility of whether an internal defect, called transverse fissure, may have occurred when the steel in rail was forged.

4.   The fissures can occur when the steel in rail is forged, Turpin said.