Great Northern Engineering Drawing: Shop Plan - Stair Section, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 233, undated.

Great Northern Engineering Drawing: Shop Plan - Stair Section, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 235, undated.

Great Northern Engineering Drawing: Shop Plan - Stair Section, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 228, undated.

Great Northern Engineering Drawing: Shop Plan - Stair Tread, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 231, undated.

Great Northern Engineering Drawing: Shop Plan - Steel Details, Bridge 7.9 - Seaview Avenue, Ballard, Washington, Line Segment 050, Milepost 7.9. Sheet 250 - 4618 - 8, undated.

Great Northern Engineering Drawing: Shop Plan - Steel Details, Bridge 7.9 - Seaview Avenue, Ballard, Washington, Line Segment 050, Milepost 7.9. Sheet 250 - 4618 - 9, undated.

Great Northern Engineering Drawing: Shop Plan - Stress Investigation, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 411, undated.

Great Northern Engineering Drawing: Shop Plan - Stress Investigation, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 410, undated.

Great Northern Engineering Drawing: Shop Plan - Stress Sheet, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 111, undated.

Great Northern Engineering Drawing: Shop Plan - Stress Sheet, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 112, undated.