Northern Pacific Engineering Drawing: Shop Plan - 43 Foot - 8 Inch, Bridge 117 - Highway Under Crossing, west of Bonner, Montana, Line Segment 042, Milepost 117.1. Sheet 1074 - 24, undated.

Northern Pacific Engineering Drawing: Shop Plan - 4 Bridge Spans, Bridge 42 - 3rd Street, Tenino, Washington, Line Segment 052, Milepost 42.8. Sheet 390 - 8690 - 8, undated.

Northern Pacific Engineering Drawing: Shop Plan - 4 Bridge Spans, Bridge 42 - 3rd Street, Tenino, Washington, Line Segment 052, Milepost 42.8. Sheet 390 - 8690, undated.

Northern Pacific Engineering Drawing: Shop Plan - 35 Foot Girder, Bridge 124 - Underpass, south of Ridgefield, Washington, Line Segment 052, Milepost 124.45. Sheet 1073 - 18, undated.

Northern Pacific Engineering Drawing: Shop Plan - 25 Foot Girder, Bridge 41, Washington, Line Segment 046, Milepost 41.23. Sheet 1264 - 14, undated.

Northern Pacific Engineering Drawing: Shop Plan - 24 Foot Through Plate Girder, Bridge 414 - Crowe Creek, north of Geyser, Montana, Line Segment 362, Milepost 171.1. Sheet 171 - 1237 - 4, undated.

Northern Pacific Engineering Drawing: Shop Plan - 2 Reinforced Concrete and Tower Girders, Bridge 3 - Snake River, east of Ainsworth Junction, Washington, Line Segment 450, Milepost 3.05. Sheet 360 - 6742 - 106, undated.

Northern Pacific Engineering Drawing: Shop Plan - 155 Foot Span, Bridge 10 - Deek Creek, Oso, Washington, Line Segment 406, Milepost 18.5. Sheet 444 - 4, undated.

Northern Pacific Engineering Drawing: Shop Plan - 155 Foot Span, Bridge 10 - Deek Creek, Oso, Washington, Line Segment 406, Milepost 18.5. Sheet 444 - 4, undated.

Northern Pacific Engineering Drawing: Shop Plan - 120 Foot Span, Bridge 38 - Willapa River, west of Labam, Washington, Line Segment 420, Milepost 38.82. Sheet R.10 - 177.B, undated.