Complex sentence: On September 16,1894, the entire CL&N switched to standard gauge, which made possible interconnection with the Middletown and Cincinnati Railroad (M&C), which crossed its line at Hagemans Crossing in Union Township between Lebanon and Mason.
Split into simpler sentences: On September 16 1894, the entire CL&N switched to standard gauge, which made interconnection possible with the Middletown and Cincinnati Railroad (M&C). The M&C crossed the CL&N at Hagemans Crossing in Union Township between Lebanon and Mason.