Anfinson, J. O. (2003). The river we have wrought: A history of the upper Mississippi. University of Minnesota Press.
Dyfyniad Arddull ChicagoAnfinson, John O. The River We Have Wrought: A History of the Upper Mississippi. Minneapolis: University of Minnesota Press, 2003.
Dyfyniad MLAAnfinson, John O. The River We Have Wrought: A History of the Upper Mississippi. University of Minnesota Press, 2003.
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