Northern Pacific Engineering Drawing: Piers and Approaches, Bridge 35 - Fern Creek, west of Labam, Washington, Line Segment 420, Milepost 35.66. Sheet 1076 - 3, 1919. Note: Steel span

Northern Pacific Engineering Drawing: Piers 6/7/8/9/10, Bridge 92 - Clark Fork River, west of Colby, Montana, Line Segment 044, Milepost 92.7. Sheet 2023 - 2, undated.

Northern Pacific Engineering Drawing: Piers 53 to 61, Bridge 3.2 - Lake Pend Oreille, west of Sandpoint, Idaho, Line Segment 045, Milepost 3.88. Sheet 442 - 25, undated.

Northern Pacific Engineering Drawing: Piers 5/6/7, Bridge 1.4 - 7th Avenue, south of Sunset Junction, Washington, Line Segment 046, Milepost 1.18. Sheet 2020 - 2, undated.

Northern Pacific Engineering Drawing: Piers 4/7/10/13/17, First Avenue south Overpass, Seattle, Washington, Line Segment 430, undated.

Northern Pacific Engineering Drawing: Piers 3 and 4, Bridge 16 - 68th Street, south of Kirkland, Washington, Line Segment 405, Milepost 16.3. Sheet 1278 - 3, undated.

Northern Pacific Engineering Drawing: Piers 2/5, Bridge 57 - Clark Fork River, Trout Creek, Montana, Line Segment 044, Milepost 57.1. Sheet 1060 - 48, undated.

Northern Pacific Engineering Drawing: Piers 2/3/4/5, Bridge 62 - Swamp Creek, west of Tuscor, Montana, Line Segment 044, Milepost 62.4. Sheet 1060 - 56, undated.

Northern Pacific Engineering Drawing: Piers 2/3/4, Bridge 1 (I-5), east of Rye Junction, Washington, Line Segment 438, Milepost 1.55. Sheet 2015 - 2, undated.

Northern Pacific Engineering Drawing: Piers 2/3/4, Bridge 1 (I-5), east of Rye Junction, Washington, Line Segment 438, Milepost 1.55. Sheet 2004 - 6, undated.