Photograph taken during the excavation of the Mound City Group of mounds in Ross County, Ohio, 1920. Reverse reads, "Mica deposit at bottom of shaft sunk by Squier and Davis. Mound City Mound No. 7 Ross Co., O." Mound City is a burial mound and earthwork complex located in Union Township, Ross County, Ohio. It is situated on the west bank of the Scioto River opposite the Hopeton Earthworks, a few miles north of Chillicothe. The site was constructed between approximately 100 BC and AD 400 by people of the Hopewell Culture and consists of 22 variously sized mounds surrounded a low, four-sided, earthen embankment that encloses about 13 acres. During World War I Mound City became part of an expansive army training facility called Camp Sherman...