Northern Pacific Engineering Drawing: Tie Plan, Bridge 22.1 - Nisqually River, south of Roy, Washington, Line Segment 400, Milepost 22.9. Sheet 443 - 31, 1937.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 22.1 - Nisqually River, south of Roy, Washington, Line Segment 400, Milepost 22.9. Sheet 443 - 31, 1925.

Northern Pacific Engineering Drawing: Tie Framing Plan, Bridge 22.1 - Nisqually River, south of Roy, Washington, Line Segment 400, Milepost 22.9. Sheet 443 - 31, undated.

Northern Pacific Engineering Drawing: Shop Plan - Truss Span, Bridge 22.1 - Nisqually River, south of Roy, Washington, Line Segment 400, Milepost 22.9. Sheet 443 - 31, undated.

Northern Pacific Engineering Drawing: Shop Plan - Truss Span, Bridge 22.1 - Nisqually River, south of Roy, Washington, Line Segment 400, Milepost 22.9. Sheet 443 - 31, undated.

Northern Pacific Engineering Drawing: Shop Plan - Truss Span, Bridge 22.1 - Nisqually River, south of Roy, Washington, Line Segment 400, Milepost 22.9. Sheet 443 - 31, undated.

Northern Pacific Engineering Drawing: Shop Plan - Truss Span, Bridge 22.1 - Nisqually River, south of Roy, Washington, Line Segment 400, Milepost 22.9. Sheet 443 - 31, undated.

Northern Pacific Engineering Drawing: Shop Plan - Through Pin, Bridge 22.1 - Nisqually River, south of Roy, Washington, Line Segment 400, Milepost 22.9. Sheet 443 - 31, undated.

Northern Pacific Engineering Drawing: Replace Stringer Lateral Plate, Bridge 22.1 - Nisqually River, south of Roy, Washington, Line Segment 400, Milepost 22.9. Sheet 443 - 31, undated.

Northern Pacific Engineering Drawing: Renew Deck, Bridge 22.1 - Nisqually River, south of Roy, Washington, Line Segment 400, Milepost 22.9. Sheet 443 - 31, undated.