Northern Pacific Engineering Drawing: Walk/Railing Detail, Bridge 206 (259) - Missouri River, west of Townsend, Montana, Line Segment 041, Milepost 206.3. Sheet 1066 - 2, undated.

Northern Pacific Engineering Drawing: Walk/Rail Tie Plan, Bridge 51 - Hannaford Creek, south of Wabash, Washington, Line Segment 052, Milepost 51.9. Sheet 443 - 26, undated.

Northern Pacific Engineering Drawing: Walk/Handrail Details, Bridge 9.46 - I-90, south of Wilburton, Washington, Line Segment 405, Milepost 9.9. Sheet 2034 - 1, undated.

Northern Pacific Engineering Drawing: Walk/Handrail Detail, Bridge 9.46 - I-90, south of Wilburton, Washington, Line Segment 405, Milepost 9.9. Sheet 1282 - 5, undated.

Northern Pacific Engineering Drawing: Walk/Drain Details, Bridge 10.1 - Highway #1, west of Fort Lewis, Washington, Line Segment 401, Milepost 10.2. Sheet 2000 - 2, undated.

Northern Pacific Engineering Drawing: Walk Plan/Bill of Material, Bridge 17.2 - White River, south of Kent, Washington, Line Segment 051, Milepost 17.7. Sheet 433 - 25, undated.

Northern Pacific Engineering Drawing: Walk Plan/Bill of Material, Bridge 102 - Strong Creek, Thompson Falls, Montana, Line Segment 044, Milepost 102.9. Sheet 442 - 48, undated.

Northern Pacific Engineering Drawing: Walk Plan, Bridge 36 - Jocko River, west of Ravalli, Montana, Line Segment 043, Milepost 36.95. Sheet 441 - 22, undated.

Northern Pacific Engineering Drawing: Walk Plan, Bridge 35 - Jocko River, west of Ravalli, Montana, Line Segment 043, Milepost 35.95. Sheet 441 - 22, undated.

Northern Pacific Engineering Drawing: Walk Plan, Bridge 31 - Jocko River, west of Ravalli, Montana, Line Segment 043, Milepost 31.1. Sheet 441 - 22, undated.