Eskers

 

Eskers

https://www.dmr.nd.gov/ndgs/ndnotes/Eskers/Eskers.asp

Eskers are streambeds that are found on tops of ridges, instead of valley bottoms. They are explained by having been surrounded by glacial ice which trapped the sediment. Eskers form as the glacier recedes, as the melt water redistributes the morainal materials.

Mannerfelt (1945)