Northern Pacific Engineering Drawing: Repair Wing Wall, Bridge 11.1 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 11.94. Sheet 1054 - 34, undated.

Northern Pacific Engineering Drawing: Repair Web Members, Bridge 51 (78) - Yellowstone River, west of Craver, Montana, Line Segment 041, Milepost 51.5. Sheet 441 - 13, undated.

Northern Pacific Engineering Drawing: Repair to Tunnel, Garrison Tunnel, west of Garrison, Montana, Line Segment 042, Milepost 52.1. Sheet 1058 - 19, undated.

Northern Pacific Engineering Drawing: Repair to Truss, Bridge 1 - Columbia River, west of Pasco, Washington, Line Segment 048, Milepost 1.32. Sheet 770 - 1, undated.

Northern Pacific Engineering Drawing: Repair to Top Strut, Bridge 2 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 10.4. Sheet 1821 - 161, undated.

Northern Pacific Engineering Drawing: Repair to Top Lateral, Bridge 17.2 - White River, south of Kent, Washington, Line Segment 051, Milepost 17.7. Sheet 433 - 25, undated.