Northern Pacific Engineering Drawing: Shop Plan - Fixed Bearing, Bridge 11.72 - Lake Hills Boulevard, south of Wilburton, Washington, Line Segment 405, Milepost 11.7. Sheet 292 - 6678 - 30, undated.

Northern Pacific Engineering Drawing: Shop Plan - Fixed Beam, Stringers, Bridge 43, north of Deer Lodge, Montana, Line Segment 327, Milepost 43.8. Sheet 1073 - 20, undated.

Northern Pacific Engineering Drawing: Shop Plan - Fix Shoes, Bridge 184 - 16 - Mile Creek, west of Clarkston, Montana, Line Segment 041, Milepost 184.8. Sheet 1262 - 3, undated.

Northern Pacific Engineering Drawing: Shop Plan - Fix Bearing, Bridge 1.4 - 7th Avenue, south of Sunset Junction, Washington, Line Segment 046, Milepost 1.48. Sheet 2020 - 1A, undated.

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

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

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

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

Northern Pacific Engineering Drawing: Shop Plan - Field Bolt, Bridge 3 - Snake River, east of Ainsworth Junction, Washington, Line Segment 450, Milepost 3.05. Sheet 360 - 6742 - 191, undated.

Northern Pacific Engineering Drawing: Shop Plan - Field Bolt, Bridge 3 - Snake River, east of Ainsworth Junction, Washington, Line Segment 450, Milepost 3.05. Sheet 360 - 6742 - 192, undated.