Northern Pacific Engineering Drawing: Tie Plan, Bridge 72.2 - Hoquiam River, west of Aberdeen, Washington, Line Segment 402, Milepost 72.18. Sheet 770 - 5, 1925.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 72.2 - Hoquiam River, west of Aberdeen, Washington, Line Segment 402, Milepost 72.18. Sheet 770 - 5, 1918.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 71 (127), south of Ritzville, Washington, Line Segment 046, Milepost 71.93. Sheet 442 - 16, 1952.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 71 (127), south of Ritzville, Washington, Line Segment 046, Milepost 71.93. Sheet 442 - 16, 1939.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 7.1 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 7.85. Sheet 1264 - 3, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 7.1 - Van Sycle Creek, south of Zangar Junction, Washington, Line Segment 451, Milepost 7.85. Sheet 1264 - 3, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 70 - Olequa Creek, south of Napavine, Washington, Line Segment 052, Milepost 70.5. Sheet 429 - 4, 1961.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 70 - Olequa Creek, south of Napavine, Washington, Line Segment 052, Milepost 70.5. Sheet 429 - 4, 1959.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 70 - Harrison Avenue, Butte, Montana, Line Segment 326, Milepost 70.7. Sheet 1074 - 14, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 70 - Harrison Avenue, Butte, Montana, Line Segment 326, Milepost 70.7. Sheet 1074 - 14, undated.