"A History of Steamboats." US Army Corp of Engineers. Web.
Twain, Mark. The Adventures of Huckleberry Finn. New York: Dover
Publications, 1994. Print.
Twain, Mark. Life on the Mississippi. Authorized ed. Toronto: Bantam,
2007. Print.
"A History of Steamboats." US Army Corp of Engineers. Web.
Twain, Mark. The Adventures of Huckleberry Finn. New York: Dover
Publications, 1994. Print.
Twain, Mark. Life on the Mississippi. Authorized ed. Toronto: Bantam,
2007. Print.