- Department of Transportation. Federal Highway Administration. Office of Planning, Environment, and Realty. Office of Natural and Human Environment. National Scenic Byways Program. 1991-9999
- National Archives at College Park - Still Pictures
The original finding aid described this photograph as: Original Caption: This is an intact, original milepost marker, just outside the Zane Grey Museum in Zanesville, Ohio. Location: Location: Zanesville, Ohio (39.946° N 81.973° W) Status: Public domain. Photo by A. E. Crane.