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  1. River Severn - Wikipedia

  2. River Severn | U.K., Map, Length, & Facts | Britannica

  3. River Severn - Simple English Wikipedia, the free encyclopedia

  4. The River Severn Case Study – landforms of erosion and deposition

  5. River Severn | Britains Rivers

  6. The River Severn: Facts and Key Information

  7. River Severn summary | Britannica

  8. Severn River - Students | Britannica Kids | Homework Help

  9. River Severn

  10. BBC - Seven Wonders - The River Severn