sentences:  The railroad survived the Civil War and merged with the Indianola Railroad into the Gulf, Western Texas and Pacific Railway in 1871.The SA&MG was chartered on September 5, 1850, with plans to connect Lavaca, Texas, later changed to Port Lavaca, Texas to San Antonio.Trackwork began in 1856, and a line was completed to Victoria, Texas in April, 1861, when the Civil War broke out.