1. Please open Google Earth and go to Dahlen, North Dakota. North and south of this small village you can see ridges with a snake-like pattern (please check the image below). Please identify and explain the processes responsible for the genesis of these landforms (you can include drawings).
2. Please identify and explain the processes responsible for the genesis of this glacial feature. Is this landform erosional or depositional? (you can include drawings).

 

The ridges in the above picture , in Dahlen, North Dakota is commonly known as the Dahlen Eskers.

The dahlen esker in north dakota is said to be formed because when the melting of underlying glacial ices occurred, then the collapsing of the sediments resulted in the formation of these features.

The dahlen Esker is considered to have a mixture of the following Substances namely, some sand and gravel together with the glacial sediments and the occurrence of some boulders. In a tunnel like channel, that is ice walled, when the melt water stream flown then the dahen eskers where supposed to be deposited