Complex sentence: The line north from Pensacola, Florida to Kimbrough, Alabama was owned by BNSF Railway, and was sold to the Alabama and Gulf Coast Railway in late 1997, with operations beginning September 22,1997.
Split into simpler sentences: The line north from Pensacola, Florida to Kimbrough, Alabama was once owned by BNSF Railway. They would later sell this to the Alabama and Gulf Coast Railway in late 1997, with operations beginning September 22,1997.