Great Northern Plat Map, Harrington, Washington. Milepost 1526-1530, Great Northern Washington Volume 2 Map 13, undated.

Great Northern Engineering Drawing: unnamed structure at Harrington, Washington, prepared in 1984. Burlington Northern File Number 12028, Reference Number 10106, Sheet 002.

Great Northern Engineering Drawing: unnamed structure at Harrington, Washington, prepared in 1984. Burlington Northern File Number 12028, Reference Number 10108, Sheet 003.

Great Northern Engineering Drawing: unnamed structure at Harrington, Washington, prepared in 1984. Burlington Northern File Number 12028, Reference Number 10106, Sheet 001.

Great Northern Engineering Drawing: unnamed structure at Harrington, Washington, prepared in 1984. Burlington Northern File Number 12028, Reference Number 10108, Sheet 004.

Great Northern Engineering Drawing: unnamed structure at Harrington, Washington, prepared in 1981. Burlington Northern File Number 12028, Reference Number 10109, Sheet A-1.

Great Northern Engineering Drawing: General Plan, Bridge 297, west of Harrington, Washington, Line Segment 037, Milepost 1524.46. Sheet 274 - 2344 - 8, 1930.