Northern Pacific Engineering Drawing: Truss Span/Stress Sheet, Bridge 57 - Clark Fork River, Trout Creek, Montana, Line Segment 044, Milepost 57.1. Sheet 1060 - 48, undated.

Northern Pacific Engineering Drawing: Truss Span/Shoe/Support, Bridge 57 - Clark Fork River, Trout Creek, Montana, Line Segment 044, Milepost 57.1. Sheet 1060 - 48, undated.

Northern Pacific Engineering Drawing: Truss Span/Ladder, Bridge 57 - Clark Fork River, Trout Creek, Montana, Line Segment 044, Milepost 57.1. Sheet 1060 - 48, undated.

Northern Pacific Engineering Drawing: Truss Span/Cross Section/Miscellaneous, Bridge 57 - Clark Fork River, Trout Creek, Montana, Line Segment 044, Milepost 57.1. Sheet 1060 - 48, undated.

Northern Pacific Engineering Drawing: Truss Span, Bridge 57 - Clark Fork River, Trout Creek, Montana, Line Segment 044, Milepost 57.1. Sheet 1060 - 48, undated.

Northern Pacific Engineering Drawing: Truss Span, Bridge 57 - Clark Fork River, Trout Creek, Montana, Line Segment 044, Milepost 57.1. Sheet 1060 - 48, undated.

Northern Pacific Engineering Drawing: Truss Span Stress Sheet, Bridge 3 - Snake River, east of Ainsworth Junction, Washington, Line Segment 450, Milepost 3.05. Sheet 359 - 6739 - 54, undated.

Northern Pacific Engineering Drawing: Truss Span and Stringer Detail, Bridge 1 - Columbia River, west of Pasco, Washington, Line Segment 048, Milepost 1.32. Sheet 358 - 7047 - 16, undated.

Northern Pacific Engineering Drawing: Truss Span and Stress Sheet, Bridge 1 - Columbia River, west of Pasco, Washington, Line Segment 048, Milepost 1.32. Sheet 358 - 7047 - 13, undated.

Northern Pacific Engineering Drawing: Truss Span and Ship Bill, Bridge 1 - Columbia River, west of Pasco, Washington, Line Segment 048, Milepost 1.32. Sheet 358 - 7047 - 19, undated.