Great Northern Steam Locomotive Number 3139 at Hillyard, Washington, 1935.

Great Northern Steam Locomotive 3137, Class O1 in Hillyard, Washington, undated. Photograph by Wade Stevenson.

Great Northern Steam Locomotive 3137, Class O7 in Hillyard, Washington, undated. Photograph by Wade Stevenson.

Great Northern Steam Locomotive 3137, a Class O-1, a 2-8-2, built by Baldwin in 1916-1918, 28"x32" cylinders, 63" drivers, 210 psi steam pressure, 317,100 pounds weight, 75,380 pounds tractive effort with boosters, Hillyard, Washington. A David Emerson photo taken in 1934 or 1935.

Great Northern Steam Locomotive 3136, Class O1 in Hillyard, Washington, undated. Photograph by Wade Stevenson.

Great Northern Steam Locomotive 3136, Class O1 in Hillyard, Washington, undated. Photograph by Wade Stevenson.

Great Northern Steam Locomotive 3129, Class O1 in Hillyard, Washington, undated. Photograph by Wade Stevenson.

Great Northern Steam Locomotive 3129, Class O1 in Hillyard, Washington, undated. Photograph by Wade Stevenson.

Great Northern Steam Locomotive 3129, Class O1 in Hillyard, Washington, undated. Photograph by Wade Stevenson.

Great Northern Steam Locomotive 3129, Class O1 in Hillyard, Washington, undated. Photograph by Wade Stevenson.