Assertion: mound | /r/HasProperty | the most prominent remains
Facets:
Source sentences:
text: Mounds built of earth are the most prominent remains left on the landscape by these native peoples of Mississippi.
text: Mounds of earth in the shapes of birds, bear, deer, bison, lynx, turtle, panther or water spirit are the most common images.
text: Mounds built of earth are the most prominent remains left on the landscape by these native peoples.