Northern Pacific Engineering Drawing: Spans, Bridge 155 (200) - west Gallatin River, west of Belgrade, Montana, Line Segment 041, Milepost 155.6. Sheet 441 - 15, undated.

Northern Pacific Engineering Drawing: Spans 2 and 3, Bridge 170, west of Rivulet, Montana, Line Segment 042, Milepost 170.6. Sheet 1259 - 4, undated.

Northern Pacific Engineering Drawing: Spans 1 to 12 Inclusive, Bridge 3.2 - Lake Pend Oreille, west of Sandpoint, Idaho, Line Segment 045, Milepost 3.88. Sheet 1070 - 2, undated.

Northern Pacific Engineering Drawing: Span/Anchor Bolt Layout, Bridge 1.4 - 7th Avenue, south of Sunset Junction, Washington, Line Segment 046, Milepost 1.48. Sheet 2020 - 1, undated.

Northern Pacific Engineering Drawing: Span Number 3, Bridge 51 - Highway, west of Childs, Montana, Line Segment 044, Milepost 52.0. Sheet 1060 - 45, undated.

Northern Pacific Engineering Drawing: Span Number 2/Bearings, Bridge 51 - Highway, west of Childs, Montana, Line Segment 044, Milepost 52.0. Sheet 1060 - 45, undated.

Northern Pacific Engineering Drawing: Span Number 1, Bridge 51 - Highway, west of Childs, Montana, Line Segment 044, Milepost 52.0. Sheet 1060 - 45, undated.

Northern Pacific Engineering Drawing: Span Layout, Bridge 27 - Highway 15, north of Woodinville, Washington, Line Segment 403, Milepost 27.1. Sheet 2013 - 3A, undated.

Northern Pacific Engineering Drawing: Span for Interlocking Signal, Bridge 3.2 - Lake Pend Oreille, west of Sandpoint, Idaho, Line Segment 045, Milepost 3.88. Sheet 442 - 25, undated.