EntityQ1424609· pop 25· linked from 1,148 articleskettleSign in to saveshallow depression formed by a retreating glacierConnectionsraised bogEntitymoraineEntityfenEntityglacier morphologyEntityvalleyEntityswimming poolEntityU-shaped valleyEntityoutwash plainEntityRamsar siteEntitystepwellEntitypeatlandEntityglacial landformEntityfluvioglacial landformEntityLate Glacial MaximumEntityAntarcticaEntityAlaskaEntityWisconsinEntityIowaEntitylakeEntityOntarioEntityCategoriesDepressions (geology)Glacial landformsGlaciologyPonds