Former  Denver & Rio Grande Western (Now Union Pacific) Eastern Area Industry Tracks ZTS PDF Pages on DVD, PDF Pages on DVD, Updated through 2001, 62 Pages.  Includes Denver, CO west to Bond, CO, Denver, CO south to Alamosa, CO. 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.