We have no meanings for "ancient earthworks" in our records yet.
1 Local tradition gives to these ancient earthworks the name of Attila's Camp.
2 Carver noticed ancient earthworks on the Mississippi near Lake Pepin, but knew nothing of their origin.
3 Curtains of water sifted down over the ancient earthworks and the rotting wooden posts that had supported the wire in 1917.
4 There is a class of ancient earthworks in Wisconsin, not before found in any other country....
5 The ancient earthworks run from Sedbury, near Chepstow to Prestatyn in North Wales, roughly following the modern-day border between England and Wales.
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