1) Cleft cut by a river 2) Delaware River site 3) Gorge through Kittatinny Mts 
The global freshwater model WaterGAP calculates flows and storages of water on all continents of the globe (except Antarctica), taking into account the human influence on the natural freshwater system by water abstractions and dams. It supports understanding the freshwater situation across the world’s river basins during the 20th and the 21st ce...
A river that cuts through a ridge.