Assertion: washboard moraine | /r/CreatedBy | glacier
Facets:
Source sentences:
text: Washboard moraines, also known as minor or corrugated moraines, are low-amplitude geomorphic features caused by glaciers.
text: Washboard moraines, also known as minor or corrugated moraines, are low-amplitude geomorphic features caused by glaciers.
text: A washboard moraine, also known as minor or corrugated moraine, is a geomorphic feature caused by glaciers.
text: Washboard moraines, also known as minor or corrugated moraines, are low amplitude geomorphic features caused by glaciers.