A Flatboat is a boat with a flat bottom and has square ends. It is used to transport freight onto inland waterways. A boat is a watercraft, usually smaller than most ships. ... A square as a geometric shape is described and illustrated at square (geometry). ... Cargo is a term used to denotes goods or produce being transported generally for commercial gain, usually on a ship, plane, train or lorry. ...
Because flatboats couldn't navigate upriver, they were broken up and sold for lumber when they reached their destination.
Robert H. Swenson, SIUC assistant professor of architectural studies who assisted in the project, said flatboats are historically important because the wood from many of the flatboats became the building material for many of the first land structures -- the first architectural features in the region.
Here, the flatboat is being cleaned of mud and debris and the crew is working to fit together timbers that have come loose.