The Northern Pacific Depot at Sheridan, Montana, undated. Located at Milepost 35.4.

The Northern Pacific Depot at Sheridan, Montana, undated. Located at Milepost 35.4.

The Northern Pacific Depot at Shelton, Washington, June 1960, from the Walter W. Ainsworth Collection, photograph by Stan Styles.

Plat Map of Northern Pacific facilities at Sheridan, Montana, October 5, 1916, Drawing Number 87235, Sheet Number 1, Line Segment 339, showing the Whitehall-Alder line.

Plat Map of Northern Pacific facilities at Sheridan, Montana, October 5, 1916, Drawing Number 87235, Sheet Number 2, Line Segment 339, showing the Whitehall-Alder line.

Northern Pacific Engineering Drawing: Replace Flume/Trestle, Bridge 41 - Flume, south of Sheridan, Montana, Line Segment 339, Milepost 41.9. Sheet 1062 - 29, 1950. Note: Flume 1950 - AFE 214 - 50