Graded Way in Ohio, constructed by mound-builders.

Graded Way

Graded Way in Ohio, constructed by mound-builders.

The Hopeton Works, in Ohio, built by mound-builders.

Hopeton Works

The Hopeton Works, in Ohio, built by mound-builders.

Ancient mining shaft from the mound-builders, where copper was brought up.

Mining

Ancient mining shaft from the mound-builders, where copper was brought up.

Mount Builders, the name applied to a prehistoric race of North America, of which remarkable remains have been found in various portions of the continent, especially in th Mississippi valley, the state of Washington, and in Yucatan.

Mound Builders

Mount Builders, the name applied to a prehistoric race of North America, of which remarkable remains…

Vase found in the areas of the mound-builders.

Vase

Vase found in the areas of the mound-builders.

Vase found in the areas of the mound-builders.

Vase

Vase found in the areas of the mound-builders.