Great Northern Engineering Drawing: Deck Plan, Bridge 58 - Squalicum Creek, north of Bellingham, Washington, Line Segment 050, Milepost 98.3. Sheet 293 - 5371 - 11, undated.

Great Northern Engineering Drawing: Deck Plan, Bridge 59, north of Bellingham, Washington, Line Segment 050, Milepost 98.7. Sheet 287 - 5291 - 9, 1940.

Great Northern Engineering Drawing: Deck Plan, Bridge 59, north of Bellingham, Washington, Line Segment 050, Milepost 98.7. Sheet 287 - 5291 - 24, 1954.

Great Northern Engineering Drawing: Deck Plan, Bridge 59, north of Bellingham, Washington, Line Segment 050, Milepost 98.7. Sheet 287 - 5291 - 25, 1954.

Great Northern Engineering Drawing: Falsework/Bents, Bridge 58 - Squalicum Creek, north of Bellingham, Washington, Line Segment 050, Milepost 98.3. Sheet 293 - 5371 - 13, undated.

Great Northern Engineering Drawing: Falsework/Bents, Bridge 58 - Squalicum Creek, north of Bellingham, Washington, Line Segment 050, Milepost 98.3. Sheet 293 - 5371 - 12, undated.