A pingo, also called a hydrolaccolith, is a mound of ear... - dofaq.co
pingo

A pingo, also called a hydrolaccolith, is a mound of ear...

wikipedia - 02 Mar 2020
A pingo, also called a hydrolaccolith, is a mound of earth-covered ice found in the Arctic and subarctic that can reach up to 70 metres (230 ft) in height and up to 600 m (2,000 ft) in diameter. The term originated as the Inuvialuktun word for a small hill. The plural form is "pingos".

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