Great Northern Engineering Drawing: Shop Plan - Reinforcement Rod, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 443, undated.

Great Northern Engineering Drawing: Shop Plan - Section Cross Section, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 142, undated.

Great Northern Engineering Drawing: Shop Plan - Slide Anchor, Bridge 7.9 - Seaview Avenue, Ballard, Washington, Line Segment 050, Milepost 7.9. Sheet 250 - 4618 - 7, undated.

Great Northern Engineering Drawing: Shop Plan - Stair and Railing, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 137, undated.

Great Northern Engineering Drawing: Shop Plan - Stair and Railing, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 141, undated.

Great Northern Engineering Drawing: Shop Plan - Stair and Railing, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 140, undated.

Great Northern Engineering Drawing: Shop Plan - Stair Section, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 226, undated.

Great Northern Engineering Drawing: Shop Plan - Stair Section, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 229, undated.

Great Northern Engineering Drawing: Shop Plan - Stair Section, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 230, undated.

Great Northern Engineering Drawing: Shop Plan - Stair Section, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 227, undated.