Northern Pacific Engineering Drawing: Top Lateral 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 9 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 9.08. Sheet 2012 - 2, 1951.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 8.3 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 8.95. Sheet 1266 - 27, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 8.3 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 8.95. Sheet 1266 - 27, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 8.2 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 8.50. Sheet 1264 - 7, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 8.2 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 8.50. Sheet 1264 - 7, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 8.1 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 8.29. Sheet 2012 - 1, 1951.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 8 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 8.04. Sheet 1266 - 26, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 8 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 8.04. Sheet 1266 - 26, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 7.1 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 7.85. Sheet 1264 - 3, undated.