A drainage basin, or catchment as it is also called, is the part of the land surface that is drained by a single river system.
List of drainage basins by area - Wikipedia
Drainage Basins City of Bellevue
What is a river basin? - Twinkl
Drainage Basin and Elevation Contours
13.2 Drainage Basins – Physical Geology
What Is a river basin? - Quora
Weathering and Landforms 5.3
Drainage Basins of Canada : r/MapPorn
Drainage Basin feedbacks
Rivers 3: The River Basin - Teleskola
Major Drainage Basins
14.2 Drainage Basins – Physical Geology, First University of Saskatchewan Edition
Drainage basins of the principal oceans and seas of the world [1,256 x 656] : r/MapPorn
Vermont's Major Drainage Basins Department of Environmental Conservation
Watersheds and Drainage Basins
