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 - 4, undated.

Great Northern Engineering Drawing: Concrete Slab, Bridge 0.3 - Second Avenue, Seattle, Washington, Line Segment 050, Milepost 0.1. Sheet 263 - 4141 - 5, 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 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 - Depot, Bridge 0.3 - Second Avenue, Seattle, Washington, Line Segment 050, Milepost 0.1. Sheet 263 - 4141 - 9, undated.

Great Northern Engineering Drawing: Columns, Bridge 0.3 - Second Avenue, Seattle, Washington, Line Segment 050, Milepost 0.1. Sheet 263 - 4141 - 21, undated.

Great Northern Engineering Drawing: Columns, Bridge 0.3 - Second Avenue, Seattle, Washington, Line Segment 050, Milepost 0.1. Sheet 263 - 4141 - 20, undated.