Northern Pacific Engineering Drawing: Detail of Floor Slabs, Bridge 0.3 - Wall Street, Spokane, Washington, Line Segment 046, Milepost 0.32. Sheet 1055 - 3, undated.

Northern Pacific Engineering Drawing: Detail of Floor Slabs, Bridge 0.3, Spokane, Washington, Line Segment 046, Milepost 0.32. Sheet 1054 - 3, undated.

Northern Pacific Engineering Drawing: Detail of Rail, etc., Bridge 70.1 - Helena Street, Spokane, Washington, Line Segment 045, Milepost 70.14. Sheet 1055 - 13, undated.

Northern Pacific Engineering Drawing: Detail of Slabs, Bridge 0.2 - Howard Street, Spokane, Washington, Line Segment 046, Milepost 0.28. Sheet 1054 - 8, undated.

Northern Pacific Engineering Drawing: Detail of Slabs, Bridge 70.1 - Helena Street, Spokane, Washington, Line Segment 045, Milepost 70.14. Sheet 1055 - 13, undated.

Northern Pacific Engineering Drawing: Detail south Half of Slab, Bridge 0.1 - Stevens Street, Spokane, Washington, Line Segment 046, Milepost 0.21. Sheet 1055 - 2, undated.