
Fresh from a week in New York's Finger Lakes, Randall Carlson compares Niagara Falls with the dry cataracts and gorge at Letchworth. He explains how a shallow sheet flood crosses a threshold and starts cutting a canyon, and why he puts these features on the same scale as the coulees of the Pacific Northwest.Full conversation on YouTube: https://youtu.be/uxKk5rFgf58Support Grimerica and keep it ad-free and listener supported: grimerica.ca/support
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