Southern Pacific RR 1984 San Joaquin Bakersfield Yard area spins. Including the following  Branches : ARVIN, BUTTONWILLOW, OIL CITY & SUNSET RAILWAY SPINS PDF pages on DVD, 47 Pages.  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. I have purchased 3 large collections of Southern Pacific Railroad Track Charts, S.P.I.N.S. Books, Diagram Books, Timetables and other paper items, along with some uniform  badges and pins. I will be listing new items each week in the upcoming months. Please watch my store for new items weekly!