Northern Pacific steam locomotive 280 at Philadelphia, Pennsylvania, in 1883. Number 280 (old number series), built by Baldwin in 1883, poses for its builder's photo. Photo by Baldwin Locomotive Works, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 285 in construction service, circa 1892. Number 285 (old number series), built by Baldwin in 1883. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, work train

Northern Pacific steam locomotive 29 at Butte, Montana, on August 19, 1949. Number 29 was built as a class Y-1 by Schenectady in 1899. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, wood box car, freight yard

Northern Pacific steam locomotive 29 at Butte, Montana, on August 19, 1949. Number 29 was built as a class Y-1 by Schenectady in 1899. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, wood box car, freight yard

Northern Pacific steam locomotive 3 at Schenectady, New York, in 1897. The builder's photo of Number 3, (later number 13), a class X, was built by Schenectady as a compound for helper service in 1897. Photo by Schenectady Loco. Works, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, builder's photo

Northern Pacific steam locomotive 30 at Tacoma, Washington, on September 04, 1946. Number 30, a class Y built by Schenectady in 1898, is parked near the blow-down shed near the roundhouse. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 3000 on September 15 in 1916. Number 3000 is a class Z built by Baldwin in 1907. Photo by Charles R. Iles, J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 3000 is posed for a company roster photo on September 13, 1916. Number 3000 is a class Z built by Baldwin in 1907. Photo by Charles R. Iles, 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

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