Northern Pacific Engineering Drawing: Wing Wall Abutment 2, Bridge 10.1 - Highway #1, west of Fort Lewis, Washington, Line Segment 401, Milepost 10.2. Sheet 2000 - 2, undated.

Northern Pacific Engineering Drawing: Wing Wall Abutment 1/3, Bridge 176 - Highway I-90, Westfall, Montana, Line Segment 042, Milepost 176.9. Sheet 2015 - 5, undated.

Northern Pacific Engineering Drawing: Wing Wall Abutment 1, Bridge 176 - Highway I-90, Westfall, Montana, Line Segment 042, Milepost 176.9. Sheet 2015 - 5, undated.

Northern Pacific Engineering Drawing: Wing Wall Abutment 1, Bridge 10.1 - Highway #1, west of Fort Lewis, Washington, Line Segment 401, Milepost 10.2. Sheet 2000 - 2, undated.

Northern Pacific Engineering Drawing: Widening Through Plate Girder Spans, Bridge 3.2 - Lake Pend Oreille, west of Sandpoint, Idaho, Line Segment 045, Milepost 3.88. Sheet 442 - 25A, undated.

Northern Pacific Engineering Drawing: Westbound Station, Bridge 9.46 - I-90, south of Wilburton, Washington, Line Segment 405, Milepost 9.9. Sheet 2034 - 1, undated.

Northern Pacific Engineering Drawing: West/East Bound Tie Plan, Bridge 81 - Cowlitz River, south of Vader, Washington, Line Segment 052, Milepost 81.5. Sheet 429 - 17, undated.

Northern Pacific Engineering Drawing: West/East Bound Tie Plan, Bridge 81 - Cowlitz River, south of Vader, Washington, Line Segment 052, Milepost 81.5. Sheet 429 - 17, undated.

Northern Pacific Engineering Drawing: West/East Bound Tie Plan, Bridge 81 - Cowlitz River, south of Vader, Washington, Line Segment 052, Milepost 81.5. Sheet 429 - 17, undated.