Interstate Commerce Commission report on a fatal accident at the Foss River Bridge near Tonga, Washington on March 7, 1945, published April 23, 1945.

Interstate Commerce Commission report on a fatal accident at the Foss River Bridge near Tonga, Washington on March 7, 1945, published April 23, 1945.

Plat Map of Great Northern facilities at Tonga, Washington, April 1, 1928, Sheet Number 2, Line Segment 37, showing the Sandpoint Junction-Everett Junction line.

Plat Map of Great Northern facilities at Tonga, Washington, April 1, 1928, Sheet Number 1, Line Segment 37, showing the Sandpoint Junction-Everett Junction line.

Plat Map of Great Northern facilities at Tonga, Washington, undated, Sheet Number 1, Line Segment 37, showing the Sandpoint Junction-Everett Junction line.

Plat Map of Great Northern facilities at Tonga, Washington, undated, Sheet Number 2, Line Segment 37, showing the Sandpoint Junction-Everett Junction line.