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.

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 24.1, west of Blossburg, Montana, Line Segment 042, Milepost 24.6. Sheet 441 - 69, 1958.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 24 - Stuck River, south of Auburn, Washington, Line Segment 051, Milepost 24.3. Sheet 433 - 33, 1937.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 24 - Sammamish River, Woodinville, Washington, Line Segment 403, Milepost 24.5. Sheet 782 - 8, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 23.2 - Bitter Root River, Montana, Line Segment 333, Milepost 23.9. Sheet 1072 - 17, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 23 (16) - Sammamish River, Woodinville, Washington, Line Segment 405, Milepost 23.9. Sheet 447 - 16, 1948.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 23 - Chehalis River, west of Pe Ell, Washington, Line Segment 420, Milepost 23.13. Sheet 1058 - 23, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 22.1 - Nisqually River, south of Roy, Washington, Line Segment 400, Milepost 22.9. Sheet 443 - 31, 1945.