1911 Encyclopædia Britannica, Volume 12… (1911)
“ It is served by the Wabash, the Missouri, Kansas & Texas, the Chicago, Burlington & Quincy, and the St Louis & Hannibal railways, and by boat lines to Saint Louis, Saint Paul and intermediate points. The business section is in the level bottom-lands of the river, while the residential portion spreads up the banks, which afford fine building sites with beautiful views. Mark Twain’s boyhood was spent at Hannibal, which is the setting of Life on the Mississippi, Huckleberry Finn and Tom Sawyer; Hannibal Cave, described in Tom Sawyer, extends for miles beneath the river and its bluffs. ”
