Northern Pacific Engineering Drawing: Steel Repair Beam Spans, Bridge 5 - Highway, south of Zangar Junction, Washington, Line Segment 451, Milepost 507. Sheet 1064 - 5, undated.

Northern Pacific Engineering Drawing: Sway Bracing, Bridge 4 - Walla Walla River, Zangar Junction, Washington, Line Segment 451, Milepost 4.45. Sheet 772 - 2, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 10 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 10.70. Sheet 2012 - 3, 1951.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 11 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 11.44. Sheet 2012 - 4, 1951.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 11.1 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 11.94. Sheet 1054 - 34, 1958.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 12 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 12.05. Sheet 1264 - 8, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 12 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 12.05. Sheet 1264 - 8, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 12.1 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 12.21. Sheet 2012 - 7, 1953.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 12.2 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 12.32. Sheet 1266 - 28, undated.