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River mouth - Wikipedia
The mouth of a river: 12 Important things to know about rivers
Mouth - National Geographic Society
River mouth Definition & Meaning - Merriam-Webster
What is a River Mouth? - A-Z Animals
Parts Of A River System - MyWaterEarth&Sky
Understanding Rivers - National Geographic Society
River mouth - Simple English Wikipedia, the free encyclopedia
What Is a Mouth of a River? - Reference.com
Delta - National Geographic Society
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