Northern Pacific Engineering Drawing: Tie Plan, Bridge 62, west of Phosphate, Montana, Line Segment 042, Milepost 62.7. Sheet 421 - 32, 1965.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 62 - Evergreen Road, Trentwood, Washington, Line Segment 045, Milepost 62.19. Sheet 1259 - 6, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 61.1 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 7.6. Sheet 444 - 3, 1950.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 61.1 - Stillaguamish River, east of Arlington, Washington, Line Segment 406, Milepost 7.6. Sheet 444 - 3, 1950.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 6 - Redmond Way, Redmond, Washington, Line Segment 404, Milepost 6.2. Sheet 1072 - 15, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 6 - Chehalis River, Milburn, Washington, Line Segment 420, Milepost 6.93. Sheet 1076 - 4, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 6 - Chehalis River, Milburn, Washington, Line Segment 420, Milepost 6.93. Sheet 1076 - 4, 1948.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 6 - Chehalis River, Milburn, Washington, Line Segment 420, Milepost 6.93. Sheet 1076 - 4, 1946.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 6 - Chehalis River, Milburn, Washington, Line Segment 420, Milepost 6.93. Sheet 1076 - 4, 1939.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 6 - Chehalis River, Milburn, Washington, Line Segment 420, Milepost 6.93. Sheet 1076 - 4, 1938.