"Giant Shovel on I70"Ohio Strip Mine Fight: 1973 | The ...
May 31, 2017· Hanna became one of the major players in the Eastern and Southeastern Ohio coalfields for many years. By the 1950s at Duncanwood, Ohio, near Cadiz in Harrison County, Hanna had a complex of offices and shop buildings, and also a major coal processing center at its giant Georgetown complex of coal mines, tipples, and railroads.