Southern Pacific RR 1981 Stanton Branch SPINS, 30  DF Pages on DVD.  Zone: 48.  Covers M.P. 513.71 to M.P. 522.60. This is a Southern Pacific Railroad (SPINS) Book, which is the Southern Pacific Industrial Numbering System, which allows train crews to accurately spot railroad cars at industries and sidings.  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.