ModelRailroadForums.com is a free Model Railroad Discussion Forum and photo gallery. We cover all scales and sizes of model railroads. Online since 2002, it's one of the oldest and largest model railroad forums on the web. Whether you're a master model railroader or just getting started, you'll find something of interest here.
Here's The blank one from that Santa Fe Ry used. The originals were printed on card stock but paper will work fine for switching on your layout. The real ones were twice the size shown here and are the same size as an employee timetable. Good guess would be the switch lists were kept inside ETTs for safekeeping.