sentences:  Underwood purchased Mount Air plantation, which overlooked the Barren River (a tributary of the Ohio River) and later the Louisville and Nashville Railroad (whose trains ran after 1859; two years later trains also ran to Memphis, Tennessee).In addition to his legal practice, Warner Underwood ran his plantation, using a white overseer to supervise his slaves tilling the land.By 1860, he was one of the county's wealthiest men, with real estate appraised at $60,000 and personal property (including 28 slaves of whom 10 were children less than 10 years old) valued at $45,000.