0 a long, natural area of water that flows across the land and into a sea, lake, or another river -- река
The bird fauna is dominated by plovers and passerines while waterfowl (geese, ducks, and loons) are found only in river valleys and on lakes.
Wild rivers were forced into straightened riverbeds, swamps were drained, and water levels were carefully monitored throughout the country.
The airborne and satellite imagery reveals areas of vegetational change, linear features, elevations on which sites are located, and the course of rivers and drainages.
The train's speed caused me to consider earlier forms of river transport.
On one level the river of art history is flowing inexorably ' down ' over the course of centuries, towards the degraded end of earthly sensuality.
But, first, the river had to be ascended, with a constant danger of going aground.
It's easy to find stories of the ascent of this mountain, the descent of that river, or the traverse of some sparsely populated region.
The pollution badly affected the drinking water supply of 12 towns and villages along the river.
