Great Northern Engineering Drawing: 260 Foot Drawspan, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 82, undated.

Great Northern Engineering Drawing: 260 Foot Drawspan, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 80, undated.

Great Northern Engineering Drawing: 260 Foot Drawspan, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 81, undated.

Great Northern Engineering Drawing: 27 Foot - 11 Inch Concrete Girder, Bridge 420A - Maloney Creek, Skykomish, Washington, Line Segment 037, Milepost 1732.6. Sheet 292 - 4706, undated.

Great Northern Engineering Drawing: 30 Foot 9 Inch Girder Span, Construction Bridge - Fort Peck Dam, Wiota, Montana, Line Segment 999. Sheet 276 - 4777 - 66, undated.

Great Northern Engineering Drawing: 30 Foot 9 Inch Girder Span, Construction Bridge - Fort Peck Dam, Wiota, Montana, Line Segment 999. Sheet 276 - 4777 - 63, undated.

Great Northern Engineering Drawing: 32 Foot Deck Plate Girder (DPG) Span, Bridge 418 - Foss River, Tonga, Washington, Line Segment 037, Milepost 1728.2. Sheet 193 - 1394 - 106, 1900.

Great Northern Engineering Drawing: 32 Foot Deck Plate Girder (DPG) Span, Bridge 418 - Foss River, Tonga, Washington, Line Segment 037, Milepost 1728.2. Sheet 193 - 1394 - 154, 1900.

Great Northern Engineering Drawing: 32 Foot Span Over Roadway, Bridge 455, east of Snohomish, Washington, Line Segment 037, Milepost 1775.0, undated.

Great Northern Engineering Drawing: 34 Foot - 0 Inch Timber Span, Bridge 1671.7 - Orchard Road, west of Leavenworth, Washington, Line Segment 037, Milepost 1671.7. Sheet 253 - 4605 - 3, undated.