Northern Pacific 4016 on a local freight at Lester, Washington, circa 1949. Photo by Vormsberg, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, freight train.

Northern Pacific 4016 on a local freight at Lester, Washington, circa 1949. Photo by Vormsberg, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, freight train.

Northern Pacific steam locomotive 4013 cupled to another Z-3 locomotive at Lester, Washington, circa 1915. Number 4013 is a class Z-3 built by Alco-Schenectady in 1913. Photo by L.B. Waters, J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 4012 waits for its next train at Leater, Washington, circa 1919. Number 4012 is a class Z-3 built by Alco-Schenectady in 1913. J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 4011 and crew pose for a photo at Lester, Washington, circa 1912. Number 4011 is a class Z-3 built by Alco-Schenectady in 1913. J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 4003 in helper service at Lester, Washington, circa 1915. Number 4003 is a class Z-2 built by Baldwin in 1910. Photo by Art Westborg, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 3005 in helper service at Lester, Washington, circa 192. Number 3005 is a class Z built by Baldwin in 1907. Photo by W.C. Casey, J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 3005 in helper service at Lester, Washington, circa 192. Number 3005 is a class Z built by Baldwin in 1907. Photo by W.C. Casey, J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 3005 in helper service at Lester, Washington, circa 192. Number 3005 is a class Z built by Baldwin in 1907. Photo by W.C. Casey, J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 3004 at Lester, Washington, circa 1917. Number 3004 is a class Z built by Baldwin in 1907. J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo