Esker
Curved ridge of sand and gravel deposited by an ancient river that flowed beneath a glacier during periods of melting
Image Credit: Esker by NRCan, 2024. . Licenced with Permission.
Curved ridge of sand and gravel deposited by an ancient river that flowed beneath a glacier during periods of melting
Image Credit: Esker by NRCan, 2024. . Licenced with Permission.