At high tide the river off Astoria seems like a wide uninterrupted expanse of river. At low tide, mudflats abound. Today we’ll talk about the complexity of rivers and why they pose challenges for vessels.
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At high tide the river off Astoria seems like a wide uninterrupted expanse of river. At low tide, mudflats abound. Today we’ll talk about the complexity of rivers and why they pose challenges for vessels.
Podcast: Play in new window