Drainage Basins

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.

Interstate Waters Missouri Department of Natural Resources

14.2 Drainage Basins – Physical Geology, First University of Saskatchewan Edition

River Basin Program

World's first ocean drainage basin maps showing all the rivers – Grasshopper Geography

The drainage basin: a component of the water cycle - Internet Geography

Watersheds and Drainage Basins

New Orleans District > Missions > Mississippi River Flood Control > Mississippi River & Tributaries > Mississippi Drainage Basin

River Drainage Basins and the Water Cycle [Geography, Print, Digital]

Connecticut Drainage Basin and Elevation Contours

Coastal Drainage Basins, San Diego County, California