Seip Earthworks in Hopewell Culture National Historical Park
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Seip Earthworks in Hopewell Culture National Historical Park
American Sycamore, Platanus occidentalist, casting a shadow on a farm outbuilding at Seip Earthworks, where a civilization of early mound-building American Indians thrived about 2,000 years ago, now preserved as a unit of Hopewell Culture National Historical Park, Ohio, USA