An esker, eskar, eschar, or os, sometimes called an asar, osar, or serpent kame, is a long, winding ridge of stratified sand and gravel, examples of which occur in glaciated and formerly glaciated regions of Europe and North America. Eskers are frequently several kilometres long and, because of their uniform shape, look like railway embankments.
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Wikipedia https://en.wikipedia.org/wiki/Esker
Coordinates 53°37'56.081" N 11°0'43.364" E
