Northern Pacific steam locomotive 1594 at Logan, Montana, on August 22, 1943. Number 1594 is a class W built by Alco-Brooks in 1906. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 5120 at Logan, Montana, circa 1950. Number 5120, a class Z-6 built by Alco-Schenectady in 1937, is making a light move. Photo by Blackie Moser, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, railroad crew

Plat Map of Northern Pacific facilities at Logan, Montana, November 14, 1932, Sheet Number 3, Line Segment 42, showing the Helena-Paradise line.

Plat Map of Northern Pacific facilities at Logan, Montana, November 14, 1932, Sheet Number 4, Line Segment 42, showing the Helena-Paradise line.

Plat Map of Northern Pacific facilities at Logan, Montana, November 14, 1932, Sheet Number 2, Line Segment 42, showing the Helena-Paradise line.

Plat Map of Northern Pacific facilities at Logan, Montana, November 14, 1932, Sheet Number 1, Line Segment 42, showing the Helena-Paradise line.