Rainey, “Combine #14: A Decade of progress, Part II,” p.
Ozorak, “Train Simulator: What it is and How You Can Help,” s, p.
Norris, “Modeling the EBT Shops, Part I,” p.
Abbreviations denote the following features: g (graph), m (map), p (photograph), and s (sketch or non-photographic illustration).
