Northern Pacific Engineering Drawing: Sheet Plate Nut Drag Nut, Bridge 2 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 10.4. Sheet 1821 - 159, undated.

Northern Pacific Engineering Drawing: Shop Plan - Bottom Lateral, Bridge 2 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 10.4. Sheet 444 - 22, undated.

Northern Pacific Engineering Drawing: Shop Plan - Cross Frame/Miscellaneous, Bridge 61.1 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 7.6. Sheet 444 - 3, undated.

Northern Pacific Engineering Drawing: Shop Plan - Floor Beam, Bridge 2 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 10.4. Sheet 444 - 22, undated.

Northern Pacific Engineering Drawing: Shop Plan - Floor Beam, Bridge 2 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 10.4. Sheet 444 - 22, undated.

Northern Pacific Engineering Drawing: Shop Plan - Floor Beam/Stringer, Bridge 61.1 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 7.6. Sheet 444 - 3, undated.

Northern Pacific Engineering Drawing: Shop Plan - Girder/Lateral, Bridge 61.1 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 7.6. Sheet 444 - 3, undated.

Northern Pacific Engineering Drawing: Shop Plan - Lateral Brace, Bridge 61.1 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 7.6. Sheet 444 - 3, undated.

Northern Pacific Engineering Drawing: Shop Plan - Shoes, etc., Bridge 61.1 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 7.6. Sheet 444 - 3, undated.

Northern Pacific Engineering Drawing: Shop Plan - Stringer/Brace, Bridge 2 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 10.4. Sheet 444 - 22, undated.