Great Northern Engineering Drawing: General Plan Abutment - Number 19, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 16, undated.

Great Northern Engineering Drawing: General Plan, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449, 1912.

Great Northern Engineering Drawing: General Plan, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 19, undated.

Great Northern Engineering Drawing: General Plan, Bridge 5 - 61st Street, east of Ballard, Washington, Line Segment 050, Milepost 6.8. Sheet 273 - 4627 - 7, 1944.

Great Northern Engineering Drawing: General Plan, Bridge 5 - 61st Street, east of Ballard, Washington, Line Segment 050, Milepost 6.8. Sheet 273 - 4627 - 18, 1956.

Great Northern Engineering Drawing: General Plan, Bridge 7.9 - Seaview Avenue, Ballard, Washington, Line Segment 050, Milepost 7.9. Sheet 250 - 4618 - 2D, 1932.

Great Northern Engineering Drawing: Guide - Pier Number 8, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 399, undated.