Black and white photograph of dirt tire tracks in front of a field with trees and a large dirt mound in the background.

Black and white photograph of a field with trees surrounding a large dirt mound in the background.

Black and white photograph of a field with a large dirt mound in the background.

Black and white photograph of two people standing next to a small mound and a wire fence. Trees are visible in the background.

Black and white photograph of an automobile parked next to an earthen mound.

Black and white photograph of a woman standing in a forest.

Colored lantern slide of the Norton Mounds site in Wyoming, Michigan.

Black and white lantern slide of Moundbuilders Park in Newark, Ohio.

Black and white lantern slide of tree-covered mounds near Newark, Ohio.

Black and white lantern slide of Serpent Mound, 16 miles southeast of Hillsboro, Ohio.

Black and white lantern slide of mounds at Mound City National Park in Chillicothe, Ohio.

Black and white lantern slide of the Irene Mound in Savannah, Georgia, looking north.