BASINS Download and Installation - US EPA If you have BASINS 4 0 or 4 1 installed already, uninstall it before installing BASINS 4 5 BASINS 4 0 project files and data will not be deleted during the uninstall process BASINS 4 0 projects (MapWindow mwprj files) will not open correctly in BASINS 4 5, but the map layers may be loaded into new BASINS 4 5 projects Download Files
Basin - Education | National Geographic Society River Drainage Basins A river drainage basin is an area drained by a river and all of its tributaries A river basin is made up of many different watersheds A watershed is a small version of a river basin Every stream and tributary has its own watershed, which drains to a larger stream or wetland These streams, ponds, wetlands, and lakes are