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 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, Class O1 in Washington State, undated. Photograph by Wade Stevenson.

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

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

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

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

Great Northern steam locomotive 3140 at Superior, Wisconsin, 1955. Norm Priebe Collection. Photograph by Vierkant. Black & white negative, 2 7/8 inch x 4 3/4 inch. Other Subject classes: Steam locomotive

Great Northern Steam Locomotive Number 3141 at Havre, Montana, 1940.