Northern Pacific Engineering Drawing: Tie Plan, Bridge 112, west of Connell, Washington, Line Segment 046, Milepost 112.62. Sheet 442 - 72, 1942.

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 11.1 - Lolo River, north of Silver Bow, Montana, Line Segment 327, Milepost 11.5. Sheet 441 - 68, 1952.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 110 - Nooksack River, north of Acme, Washington, Line Segment 403, Milepost 110.0. Sheet 444 - 12, 1945.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 110 - Nooksack River, north of Acme, Washington, Line Segment 403, Milepost 110.0. Sheet 444 - 12, 1924.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 110 - Nooksack River, north of Acme, Washington, Line Segment 403, Milepost 110.0. Sheet 444 - 12, 1922.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 11, west of Olympia, Washington, Line Segment 402, Milepost 11.6. Sheet 1262 - 47, undated.

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 107 - Pack River, west of Hope, Montana, Line Segment 044, Milepost 107.95. Sheet 1059 - 11, 1947.