Northern Pacific Engineering Drawing: Stock Scale, 10 Ton 15 Foot X 22 Foot at Toppenish, Washington (also at Twin Bridges, Montana), prepared in 1967. Burlington Northern File Number 4986-2, Reference Number 10101, Sheet 002.

Northern Pacific Engineering Drawing: Stock Scale, 10 Ton 15 Foot X 22 Foot at Toppenish, Washington (also at Twin Bridges, Montana), prepared in 1967. Burlington Northern File Number 4986-3, Reference Number 10101, Sheet 003.

Northern Pacific Engineering Drawing: Stock Scale, 10 Ton 15 Foot X 22 Foot at Toppenish, Washington (also at Twin Bridges, Montana), prepared in 1967. Burlington Northern File Number 4986-1, Reference Number 10101, Sheet 001.

Plat Map of Northern Pacific facilities at Twin Bridges, Montana, May 11, 1915, Sheet Number 2, Line Segment 339, showing the Whitehall-Alder line.

Plat Map of Northern Pacific facilities at Twin Bridges, Montana, May 11, 1915, Sheet Number 1, Line Segment 339, showing the Whitehall-Alder line.