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| Description: A Steep-Gradient Stream Gradients are steep in headwaters, and streams flow fast, cut steep-sided channels, erode vigorously, and carry coarse sediment. Picture Stats: Views: 716 Filesize: 343.19kB Height: 1080 Width: 968 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=21111 |