Northern Pacific Engineering Drawing: Retaining Walls, Bridge 1.4 - 7th Avenue, south of Sunset Junction, Washington, Line Segment 046, Milepost 1.48. Sheet 2020.1A, undated.

Northern Pacific Engineering Drawing: Rigid Frame Unit A, Bridge 71.5 - Station Subway, Spokane, Washington, Line Segment 045, Milepost 71.50. Sheet 1269 - 4, undated.

Northern Pacific Engineering Drawing: S End/Washington Street Arch, Bridge 0.3 - Wash. Street, Spokane, Washington, Line Segment 046, Milepost 0.32. Sheet 1054 - 13, undated.

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

Northern Pacific Engineering Drawing: Section Proposed Bridge/Profile, Bridge 70.1 - Helena Street, Spokane, Washington, Line Segment 045, Milepost 70.14. Sheet 1055 - 13, undated.

Northern Pacific Engineering Drawing: Sections Abutment 1, Bridge 1.4 - 7th Avenue, south of Sunset Junction, Washington, Line Segment 046, Milepost 1.48. Sheet 2020.1A, undated.