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Continue to ChatWhere is the steepest gradient in the long profile of a river? https://www.internetgeography.net/flashcard/where-is-the-steepest-gradient-in-the-long-profile-of-a-river/
Where is the steepest gradient in the long profile of a river? https://www.internetgeography.net/flashcard/where-is-the-steepest-gradient-in-the-long-profile-of-a-river/