km) north of the Iowa-Missouri border, and the river enters Missouri near Clearmont, Missouri. Elevations in the Nodaway system range from just under above sea level at the source of the Middle Nodaway, to at the beginning of the main stem, to at its mouth on the Missouri River in Nodaway, Missouri in Andrew County, Missouri. The Nodaway River is a sixth order river with a basin area of . The Platte River basin is to the east and the Grand River and Des Moines River basins to the northeast, with the latter defining the boundary between the Missouri River and Mississippi River basins. The west side is bound by the Tarkio River basin and in the northwest by the Nishnabotna River basin. The Nodaway River basin is prone to extensive flooding and can contribute as much as 20% of the flood crest of the Missouri River near its mouth. At Graham, Missouri its normal flow is 1,011 cubic feet per second (28.6 m³/s). But during the Great Flood of 1993 the river was flowing 78,300 ft³/s (2220 m³/s) at Graham. See also List of rivers of Iowa Florida Creek Notes References Bright, William (2004). Native American Placenames of the United States. Norman: University of Oklahoma Press. Thwaites, Reuben Gold (1905), Early Western Travels - 1748-1846. Vol. 17. The Lakeside Press. Trigger, Bruce, ed. (1978) Northeast. Vol. 15 of Handbook of North American Indians, ed. William C. Sturtevant. Washington, D.C.: Smithsonian Institution. External links Missouri Watershed report National Weather Service data on Nodaway River at Burlington Junction Rivers of Iowa Rivers of Missouri Lewis and Clark Expedition Tributaries of the Missouri River Rivers of Page County, Iowa Rivers of Holt County, Missouri Rivers of Nodaway County, Missouri Rivers of Andrew County, Missouri