We have no meanings for "great earthworks" in our records yet.
1 Against these great earthworks the heavy guns of the attacking forces availed little.
2 They had torn up the street and thrown great earthworks across one end of the bridge.
3 But each day as the trains of men came, spilling their baskets, the great earthworks grew and their height mounted.
4 On a level plain having practically no defensible sites, great earthworks would be necessary, and these we find at Skipsea Brough.
5 For the length of that levee line the great earthworks seemed an impregnable fortress, towering two and three stories above the flat delta land.
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