Northern Pacific Engineering Drawing: Standard 50 Foot Deck Plate Girder (DPG), Bridge 36 - Clark Fork River, west of Thompson Falls, Montana, Line Segment 044, Milepost 36.6. Sheet 1077 - 5, 1937.

Northern Pacific Engineering Drawing: Standard 30 Foot Beam Span, Bridge 128 - Salmon Creek, south of Ridgefield, Washington, Line Segment 052, Milepost 128.59. Sheet 779 - 18, undated.

Northern Pacific Engineering Drawing: Stairs east of Railway, Bridge 0 - Highway Undercrossing, Pasco, Washington, Line Segment 048, Milepost 0.11. Sheet 1078 - 7, undated.

Northern Pacific Engineering Drawing: Stairs and Sidewalls, Bridge 119 - Harris Street, Missoula, Montana, Line Segment 042, Milepost 119.6. Sheet 1077 - 7, undated.

Northern Pacific Engineering Drawing: Spur Gear Details, Bridge 3.2 (72.2) - Hoquiam River, Washington, Line Segment 610. Sheet 293 - 9, undated.

Northern Pacific Engineering Drawing: Splice Material, "NP Transfer", Tacoma, Washington, Line Segment 608, undated.

Northern Pacific Engineering Drawing: Splice Material, "NP Transfer", Tacoma, Washington, Line Segment 608, undated.

Northern Pacific Engineering Drawing: Special Manhole/Telegraph Conduit System, Bridge 0.1 - Stevens Street, Spokane, Washington, Line Segment 046, Milepost 0.21. Sheet 1055 - 2, undated.

Northern Pacific Engineering Drawing: Special Coupling Ring, Bridge 3.2 (72.2) - Hoquiam River, Washington, Line Segment 610. Sheet 293 - 9, undated.

Northern Pacific Engineering Drawing: Special Bevel Gear, Bridge 3.2 (72.2) - Hoquiam River, Washington, Line Segment 610. Sheet 293 - 9, undated.