Great Northern Engineering Drawing: Add - Ball Stops, Bridge 277.4 - U.S. Highway 2, west of Lyons, Washington, Line Segment 037, Milepost 1493.82. Sheet 271 - 4831 - 21, 1958.

Great Northern Engineering Drawing: Deck Plan, Bridge 277.4 - U.S. Highway 2, west of Lyons, Washington, Line Segment 037, Milepost 1493.82. Sheet 271 - 4831 - 7, 1935.

Great Northern Engineering Drawing: Girder Details, Bridge 277.4 - U.S. Highway 2, west of Lyons, Washington, Line Segment 037, Milepost 1493.82. Sheet 271 - 4831 - 5, 1936.

Great Northern Engineering Drawing: Girder Details, Bridge 277.4 - U.S. Highway 2, west of Lyons, Washington, Line Segment 037, Milepost 1493.82. Sheet 271 - 4831 - 6, 1936.

Great Northern Engineering Drawing: Shop Plan - Erection Plan, Bridge 277.4 - U.S. Highway 2, west of Lyons, Washington, Line Segment 037, Milepost 1493.82. Sheet 271 - 4831 - 15, 1936.

Great Northern Engineering Drawing: Shop Plan - Girder and Cross, Bridge 277.4 - U.S. Highway 2, west of Lyons, Washington, Line Segment 037, Milepost 1493.82. Sheet 271 - 4831 - 9, 1936.

Great Northern Engineering Drawing: Shop Plan - Girders, Bridge 277.4 - U.S. Highway 2, west of Lyons, Washington, Line Segment 037, Milepost 1493.82. Sheet 271 - 4831 - 14, 1936.

Great Northern Engineering Drawing: Shop Plan - Girders, Bridge 277.4 - U.S. Highway 2, west of Lyons, Washington, Line Segment 037, Milepost 1493.82. Sheet 271 - 4831 - 11, 1936.