Northern Pacific Engineering Drawing: Typical Trough Conn, Bridge 0.12 - Maple Street, Spokane, Washington, Line Segment 046, Milepost 0.97. Sheet 1054 - 9, undated.

Northern Pacific Engineering Drawing: Typical Tower Details, Bridge 182, west of Westfall, Montana, Line Segment 042, Milepost 182.5. Sheet 434 - 39, undated.

Northern Pacific Engineering Drawing: Typical Elevations, Bridge 0.2 - Howard Street, Spokane, Washington, Line Segment 046, Milepost 0.32. Sheet 1054 - 3, undated.

Northern Pacific Engineering Drawing: Typical Details, Bridge 71 - Division Street, Spokane, Washington, Line Segment 045, Milepost 71.27. Sheet 1054 - 6, undated.

Northern Pacific Engineering Drawing: Typical Detail Tower Reinforcement, Bridge 18 - Austin Gulch, west of Skyline, Montana, Line Segment 042, Milepost 18.9. Sheet 1067 - 9, undated.

Northern Pacific Engineering Drawing: Typical Detail of Bents, Bridge 165 - Fish Creek, west of Cyr, Montana, Line Segment 042, Milepost 165.0. Sheet 434 - 45, undated.

Northern Pacific Engineering Drawing: Typical Detail of Bents, Bridge 165 - Fish Creek, west of Cyr, Montana, Line Segment 042, Milepost 165.0. Sheet 434 - 45, undated.

Northern Pacific Engineering Drawing: Typical Detail of Bents, Bridge 165 - Fish Creek, west of Cyr, Montana, Line Segment 042, Milepost 165.0. Sheet 434 - 45, undated.

Northern Pacific Engineering Drawing: Typical Detail of Bents, Bridge 165 - Fish Creek, west of Cyr, Montana, Line Segment 042, Milepost 165.0. Sheet 434 - 45, undated.