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The top documents tagged [ancient river valleys]
Documents
Prehistory Primary sources First hand accounts: letters, diaries, speeches Secondary sources Written after the fact: textbook Hunters and Gatherers Weapons
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Documents
Estuaries: Where Rivers Meet the Sea. The Nature of an Estuary Collision of fresh river water flowing seaward and ocean water pushing inland. Collision
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Estuaries: Where Rivers Meet the Sea
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