Answer: eskers

AnswerCrossword Clue
ESKERS

Glacial remnants

ESKERS

Glacial ridges

ESKERS

Parts of Alaska's Denali Highway are built on them

ESKERS
Glacial formations
ESKERS
Meltwater stream deposits
ESKERSRidges of sandy drift.
ESKERSGlacial ridges.
ESKERSSand ridges.
ESKERSSubglacial drifts.
ESKERSGravelly ridges.
ESKERSSandy ridges
ESKERSGeological ridges
ESKERSGravelly ridges
ESKERSLong, narrow glacial drifts
ESKERSGlacier residue