Stone Culvert Built in 1857 for the Ohio & Mississippi Railroad, Tunnelton, Indiana Stone Culvert Built in 1857 for the Ohio & Mississippi Railroad, Tunnelton, Indiana This short video is about a stone culvert I discovered that was built in 1857 for the Ohio & Mississippi Railroad. I walked inside the culvert and found Geodes! GPS Location: 38º46’14.0…[View More]