Northern Pacific steam locomotive 3101 at Wallace, Idaho, on September 25, 1916. Number 3101 is a class Z-1 built by Baldwin in 1910. Photo by Charles R. Iles, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 93 at Wallace, Idaho, on September 23, 1916. Number 93 is a class F-4 built by Grant in 1887. Photo by Charles R. Iles, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo