Great Northern Plat Map, Irby, Washington. Milepost 1558-1562, Great Northern Washington Volume 2 Map 21, undated.

Great Northern Plat Map, Irby, Washington. Milepost 1562, Great Northern Washington Volume 2 Map 21, undated.

Plat Map of Great Northern facilities at Irby, Washington, August 1, 1964, Sheet Number 2, Line Segment 37, showing the Sandpoint Junction-Everett Junction line.

Plat Map of Great Northern facilities at Irby, Washington, August 1, 1964, Sheet Number 1, Line Segment 37, showing the Sandpoint Junction-Everett Junction line.

Plat Map of Great Northern facilities at Irby, Washington, August 1, 1964, Sheet Number 3, Line Segment 37, showing the Sandpoint Junction-Everett Junction line.