The Zenú dug channels, sometimes as long as four kilometers, connected to the natural waterways.

Great population shifts had been earlier predicted and borne out, with the emphasis of change along the natural waterways.

Use of shadow bass stock characteristics to evaluate natural and scenic waterways in Mississippi.

Concerns are developing over certain aspects of farm fishing, which uses natural waterways to harvest fish for human consumption and pharmaceuticals.

A number of rivers and other natural waterways pass through Getafe.

In medieval European cities, small natural waterways used for carrying off wastewater were eventually covered over and functioned as sewers.

This forest type occurs along natural waterways, even in dry areas that would not normally support forest.

Not only the air we breathe but the natural waterways of the world are endangered.

Whites Creek was once a natural waterway that, was concreted to improve sanitation.

An urban stream is a formerly natural waterway that flows through a heavily populated area.