Penn Central 1970 Columbus Division - Akron Secondary,  Holmesville to Columbus Linear Track Chart, PDF on DVD. Track Chart measures 129.0" x 11.5" and covers Milepost 39 to Milepost 145. I have hundreds of railroad items not listed yet. If you don't see what you are looking for listed, such as, Track Charts-Equipment Diagrams-Standard Plans-Timetables etc.  Please contact me and I will check to see if I have what you want. I will then list the item(s) on eBay for you and/or start a want list for you.