Plural of eskar; multiple long ridges of sediment deposited by glacial streams and now visible in the landscape.
Plural of eskar, from Irish esker. The form appears in geological literature, particularly in descriptions of glaciated regions like Ireland and Canada.
When you drive through formerly glaciated regions and notice a perfectly straight ridge cutting through the landscape, you're probably looking at an eskar—they're so common that many highways were built on top of them because they naturally provide better drainage.
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