Puget Sound and Pacific Railroad (PSAP) diesel locomotive 1004, a Class GP10 at Elma, Washington, undated. Other Subject Classes: Locomotive-Diesel

Puget Sound and Pacific Railroad (PSAP) diesel locomotive 1004, a Class GP10 at Elma, Washington, undated. Other Subject Classes: Locomotive-Diesel

Puget Sound and Pacific Railroad (PSAP) diesel locomotive 1002, a Class GP10 at Elma, Washington, undated. Other Subject Classes: Locomotive-Diesel

Puget Sound and Pacific Railroad (PSAP) diesel locomotive 1002, a Class GP10 at Elma, Washington, undated. Other Subject Classes: Locomotive-Diesel

Plat Map of Northern Pacific facilities at Elma, Washington, June 20, 1924, Sheet Number 1, Line Segment 402, 425, showing the Saint Clair-Moclips line, Shelton-Elma line.

Plat Map of Northern Pacific facilities at Elma, Washington, June 20, 1924, Sheet Number 4, Line Segment 402, 425, showing the Saint Clair-Moclips line, Shelton-Elma line.

Plat Map of Northern Pacific facilities at Elma, Washington, June 20, 1924, Sheet Number 2, Line Segment 402, 425, showing the Saint Clair-Moclips line, Shelton-Elma line.

Plat Map of Northern Pacific facilities at Elma, Washington, June 20, 1924, Sheet Number 3, Line Segment 402, 425, showing the Saint Clair-Moclips line, Shelton-Elma line.

Northern Pacific workers at Elma, Washington, circa 1889. Track construction gang doing excavation work, horse-drawn wagon. Photo by J.M. Fredrickson collection.. Other Subject Classes: railroad employee, wagon

Northern Pacific steam locomotive 783 at the waterfront passenger station in Seattle, Washington, circa 1890. Number 783 is a class C-6 built by Portland in 1883. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo