Mima mound
Noun
Meaning
Mima mound (plural Mima mounds)
A low, flattened, dome-like natural mound found in the northwestern United States, composed of loose, unstratified, often gravelly sediment.
Noun
Mima mound (plural Mima mounds)
A low, flattened, dome-like natural mound found in the northwestern United States, composed of loose, unstratified, often gravelly sediment.