Edward Orton, 1884. Map. 20" x 25 1/2". This rare 1884 geological map by Edward J. Orton depicts the three counties of Holmes, Coshocton and Tuscarawas in Ohio. Focusing primarily on coal, the map shows the location of the Kittanning Coal seams. Railways, rivers and other topographical features are noted. These were economically important coal seams in the Appalachia region of Ohio. Many towns and villages in southeast Ohio grew up around the mining of the Middle Kittanning coal vein..... More