GLACIAL GRAVEL RIDGES Crossword Clue

We know 2 solutions for: GLACIAL GRAVEL RIDGES
Crossword Puzzle Infos
Glacial gravel ridges, also known as eskers (5 letters) and osars (4 letters), are formed by the deposition of sediment by meltwater streams that flow beneath glaciers. These ridges are typically sinuous in shape and can be found in areas that were formerly glaciated. They are often used as navigational markers and can be seen in many parts of the world.
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