Northern Pacific Engineering Drawing: Stringer Details and Brackets, Bridge 51 - Bitter Root River, Grantsdale, Montana, Line Segment 333, Milepost 51.1. Sheet 1274 - 13, undated.

Northern Pacific Engineering Drawing: Stringer Detail, Bridge 81 - Cowlitz River, south of Vader, Washington, Line Segment 052, Milepost 81.5. Sheet 429 - 17, undated.

Northern Pacific Engineering Drawing: Stress Sheet, "NP Transfer", Tacoma, Washington, Line Segment 608. Sheet 1266 - 3, undated.

Northern Pacific Engineering Drawing: Stress Sheet, Bridge 81 - Cowlitz River, south of Vader, Washington, Line Segment 052, Milepost 81.5. Sheet 429 - 17, undated.

Northern Pacific Engineering Drawing: Stress Sheet, Bridge 68 - Wishkah River, west of Aberdeen Junction, Washington, Line Segment 402, Milepost 68.63. Sheet 428 - 4A, undated.

Northern Pacific Engineering Drawing: Stress Sheet, Bridge 62.1 - Spokane River, west of Trentwood, Washington, Line Segment 045, Milepost 62.6. Sheet 777 - 15, undated.

Northern Pacific Engineering Drawing: Stress Sheet, Bridge 59 - Wynooche River, west of Montesano, Washington, Line Segment 402, Milepost 59.00. Sheet 776 - 6, undated.

Northern Pacific Engineering Drawing: Stress Sheet, Bridge 55 - Trout Creek, west of Trout Creek, Montana, Line Segment 044, Milepost 55.1. Sheet 1281 - 2, undated.

Northern Pacific Engineering Drawing: Stress Sheet, Bridge 51 (78) - Yellowstone River, west of Craver, Montana, Line Segment 041, Milepost 51.5. Sheet 441 - 13, undated.

Northern Pacific Engineering Drawing: Stress Sheet, Bridge 36.8 - west Waterway, West Seattle, Washington, Line Segment 051. Sheet 1063 - 36, undated.