Rivers by Nyree Johnson This is the Mississippi watershead. It is one of the biggest in the U.S Floodplain- is an area of low-lying adjacent This diagram is fromwww.geocaching A basin is a portion of land drained by a river.mississippiriveradventures. http://www.loyno.edu/.A river delta is a landform that form at the mouth. This is the Mississippi great basin. http://www.nrcs.usda.gov/wps/portal/nrcs/de This river is dividing three countries http://intradayfun.com/wp-content/uploads this shows that headwaters come from rain.http://www.accdpa.org/conservation-so This shows a river going down hill. Runoff water fills a rapidly moving river. - T3Media T3Media reserves the right to pursue any unauthorized persons that use this clip. Any violation of the Intellectual Property rights related to this clip may result in liability for injunctive relief as well as damages in the form of actual damages for loss of income, profits derived from the unauthorized use of this image or clip, and, where appropriate, attorney fees, other costs of collection and/or statutory damages.