Northern Pacific Engineering Drawing: Tie Plan, Bridge 3 - 10 - Mile Creek, west of Helena, Montana, Line Segment 042, Milepost 3.1. Sheet 1076 - 69, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 29.1 - Puyallup River, Puyallup, Washington, Line Segment 051, Milepost 29.4. Sheet 433 - 28, 1944.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 28 - south Pine Creek, south of Rosalia, Washington, Line Segment 384, Milepost 28.5. Sheet 782 - 9, 1940.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 27, Montana, Line Segment 326, Milepost 27.2. Sheet 1266 - 22, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 26, west of Evaro, Montana, Line Segment 043, Milepost 26.9. Sheet 441 - 42, 1958.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 26 - Thompson River, west of Eddy, Montana, Line Segment 044, Milepost 26.1. Sheet 1067 - 1, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 26 - Power Tail Race, south of Auburn, Washington, Line Segment 051, Milepost 26.2. Sheet 777 - 7, 1942.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 25 - Nisqually River, south of Nisqually, Washington, Line Segment 052, Milepost 25.4. Sheet 782 - 21, 1953.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 25 - Nisqually River, south of Nisqually, Washington, Line Segment 052, Milepost 25.4. Sheet 782 - 21, 1953.