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Understanding Rivers - National Geographic Society
Nile - Wikipedia
Rivers and Streams: Life in Flowing Water - Nature
Where the River Parts the Sea | Into the Amazon - National …
Find-A-Feature: Confluence | U.S. Geological Survey - USGS.gov
8.6: Streams and Rivers - Geosciences LibreTexts
The Hudson Estuary: A River That Flows Two Ways - NYSDEC
Nile River | Delta, Map, Basin, Length, Facts, Definition, Map, …
Amazon River | Facts, History, Location, Length, Animals, & Map
River - National Geographic Society