Northern Pacific Engineering Drawing: Tie Plan, Bridge 8.2 - Union Avenue, west of Lacey, Washington, Line Segment 402, Milepost 8.9. Sheet 1054 - 25, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 8.1 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 8.29. Sheet 2012 - 1, 1951.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 8 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 8.04. Sheet 1266 - 26, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 8 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 8.04. Sheet 1266 - 26, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 8 - 7 - Mile Creek, Birdseye, Montana, Line Segment 042, Milepost 8.2. Sheet 440 - 83, 1956.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 78 - Olequa Creek, south of Vader, Washington, Line Segment 052, Milepost 78.4. Sheet 443 - 21, 1960.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 78 - Olequa Creek, south of Vader, Washington, Line Segment 052, Milepost 78.4. Sheet 443 - 21, 1960.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 78 - Olequa Creek, south of Vader, Washington, Line Segment 052, Milepost 78.4. Sheet 443 - 21, 1960.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 78 - Olequa Creek, south of Vader, Washington, Line Segment 052, Milepost 78.4. Sheet 443 - 21, 1939.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 72.2 - Hoquiam River, west of Aberdeen, Washington, Line Segment 402, Milepost 72.18. Sheet 770 - 5, undated.