These four photographs document Fort Ancient earthworks near Oregonia, Ohio. Fort Ancient, an earthworks featuring 18,000 feet of earthen walls, was built 2,000 years ago by Hopewell Indians who used the shoulder blades of deer, split elk antler, clam shell hoes and digging sticks to dig the dirt. They then carried the soil in baskets holding 35 to 40 pounds. Portions of these walls were used in conjunction with the sun and moon to provide a calendar system for these peoples. Early settlers believed the mounds were fortifications, leading to the naming of the site "Fort Ancient." It is part of the Ohio Historical Society's system of historic sites. The photographs shown here measure 4" x 6" (10.16 x 15.24 cm). In Ohio, the Hopewell India...