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

Northern Pacific Engineering Drawing: Detail Plate Girder Abutment Span, Bridge 4 - Walla Walla River, Zangar Junction, Washington, Line Segment 451, Milepost 4.45. Sheet 772 - 2, undated.

Northern Pacific Engineering Drawing: Detail Plate Girder Open Span, Bridge 4 - Walla Walla River, Zangar Junction, Washington, Line Segment 451, Milepost 4.45. Sheet 772 - 2, undated.

Northern Pacific Engineering Drawing: Detail Plate Girder Open Span, Bridge 4 - Walla Walla River, Zangar Junction, Washington, Line Segment 451, Milepost 4.45. Sheet 772 - 2, undated.

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

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

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

Northern Pacific Engineering Drawing: Floor Plan/Ground Angle, Bridge 4 - Walla Walla River, Zangar Junction, Washington, Line Segment 451, Milepost 4.45. Sheet 772 - 2, undated.