Great Northern Engineering Drawing: Concrete Details, Bridge 286 - County Road, west of Edwall, Washington, Line Segment 037, Milepost 1514.38. Sheet 249 - 3601 - 9, undated.

Great Northern Engineering Drawing: Concrete Encasement, Bridge 418 - Foss River, Tonga, Washington, Line Segment 037, Milepost 1728.2. Sheet 193 - 1394 - 146, 1957.

Great Northern Engineering Drawing: Concrete Piles, New Bridge 1745.3 - U S Highway 2, east of Index, Washington, Line Segment 037, Milepost 1745.3. Sheet 271 - 4828, 1963.

Great Northern Engineering Drawing: Concrete Slab - Depot, Bridge 0.3 - Second Avenue, Seattle, Washington, Line Segment 050, Milepost 0.1. Sheet 263 - 4141 - 9, undated.

Great Northern Engineering Drawing: Concrete Slab Alley, Bridge 0.3 - Second Avenue, Seattle, Washington, Line Segment 050, Milepost 0.1. Sheet 263 - 4141 - 8, undated.

Great Northern Engineering Drawing: Concrete Slab Joint, Bridge 7.9 - Seaview Avenue, Ballard, Washington, Line Segment 050, Milepost 7.9. Sheet 250 - 4618 - 6, undated.

Great Northern Engineering Drawing: Concrete Slab, Bridge 0.3 - Second Avenue, Seattle, Washington, Line Segment 050, Milepost 0.1. Sheet 263 - 4141 - 7, undated.

Great Northern Engineering Drawing: Concrete Slab, Bridge 0.3 - Second Avenue, Seattle, Washington, Line Segment 050, Milepost 0.1. Sheet 263 - 4141 - 6, undated.

Great Northern Engineering Drawing: Concrete Slab, Bridge 0.3 - Second Avenue, Seattle, Washington, Line Segment 050, Milepost 0.1. Sheet 263 - 4141 - 4, undated.