The origin of potholes is still a lively debate and we are now focussed on the idea of bubble cavitation. Moving water is a key, so potholes are along steep channels and at active shorelines. It may be that the scale of potholes can infer something about flow characteristics.
Missoula Floor Potholes: Truck for scale
Ice Age Floods
Missoula Flood - Paper w/ great images
Formation & Development of stream potholes
Cavitation and Bubble Dynamics - online book
Potholes provide information about bedrock channels
Distinguished Gentleman by Mammoth Pothole
Spatial patterns & effectiveness of potholes
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