Our Mission

 Missions of Heartland Earthworks Conservancy


Seal Works

Seal Earthworks, Pike County, Ohio, from “Ancient Monuments of the Mississippi Valley” by Ephraim Squire and Edwin Davis, 1848.

  • Advance the preservation and protection of Native American earthwork sites in the Hopewell Heartland.
  • Acquire real estate and conservation easements for the purpose of preserving ancient earthworks.
  • Manage  earthworks to preserve their cultural, archaeological and natural integrity.
  • Educate the public about ancient earthworks, their importance and how to protect them.
  • Sponsor and conduct scientific surveys of earthworks.
  • Support and partner with other organizations with compatible missions.


Learn about our exciting earthworks conservation projects.
Make an online donation toward earthworks conservation.