The Muddy Mississippi River is the largest river in the United States, and one of the most well known rivers in the world. People have been discovering things about this river for hundreds of years. How much do you know about America’s waterway? Do you know the answers to these questions? Where does the Mississippi River begin? Where does the Mississippi River lose most of its elevation? How many dams are there on the Mississippi River? How much of America’s rainfall ends up in the Mississippi River? How long does it take water to flow from the beginning of the Mississippi River to the end? Find out more about the Mississippi River and amaze your family and friends with these fun facts. All measurements in American and metric. LearningIsland.com believes in the value of children practicing reading for 15 minutes every day. Our 15-Minute Books give children lots of fun, exciting choices to read, from classic stories, to mysteries, to books of knowledge. Many books are appropriate for hi-lo readers. Open the world of reading to a child by having them read for 15 minutes a day.