| 1. | Their earthworks remain and are interpreted in the historic state park.
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| 2. | The Mississippian culture built huge earthwork mounds throughout the Mississippi Valley.
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| 3. | For instance, he identified 148 ancient earthworks sites in Kentucky.
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| 4. | He raised money to create earthwork defenses and to buy artillery.
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| 5. | The site covers an area of over within a polygonal earthwork.
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| 6. | The residence of the Bishops now only survives as earthwork remains.
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| 7. | The Church of England parish church of Roman earthwork around it.
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| 8. | Nothing remained of the original structure except parts of the earthworks.
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| 9. | Parts of the tramway's earthworks can still be seen.
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| 10. | All these earthworks are designated together as a scheduled ancient monument.
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