Answer: ESKERS

AnswerCrossword Clue
ESKERSSubglacial drifts.
eskersESKER, a narrow ridge of gravel and sand, also ESCAR, ESKAR
eskersserpentine ridge of gravelly and sandy drift, believed to have been formed by streams under or in glacial ice
ESKERSGlacier residue
ESKERSLong, narrow glacial drifts
ESKERSGravelly ridges
ESKERSGeological ridges
ESKERSSandy ridges
ESKERSGravelly ridges.
ESKERSGlacial remnants
ESKERSSand ridges.
ESKERSGlacial ridges.
ESKERSRidges of sandy drift.
ESKERSMeltwater stream deposits
ESKERSGlacial formations
ESKERSParts of Alaska's Denali Highway are built on them
ESKERSGlacial ridges