The presentation is like looking through a book on a computer. The CD-ROM works in PCs (WIN 2000/XP/Vista/10) and Macs and is self-starting. The images can be printed out.
The 332 images come from photos, slides and postcards in the states of Illinois, Iowa, Wisconsin, Minnesota, South Dakota, North Dakota, Montana and Washington. In some instances, there is the original depot and its replacement. The depots are grouped by state.