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Places
- American Bottom (Ill.) -- Antiquities.1
- Cahokia Mounds State Historic Park (Ill.)1
- Illinois -- Antiquities.1
- Kentucky.1
- Michigan -- Antiquities.1
- Mississippi River Valley -- Antiquities.1
- Missouri -- Antiquities.1
- North America -- Antiquities.1
- Ohio -- Antiquities.1
- Ohio.1
- Philippines -- History -- 1898-1946.1
- United States -- Antiquities.1