Great Northern Engineering Drawing: Plan of Pier 6, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 24, undated.
Great Northern Engineering Drawing: Plan of Pier 6, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 24, undated.
Great Northern Engineering Drawing: Piling Plan, Bridge 5 - 61st Street, east of Ballard, Washington, Line Segment 050, Milepost 6.8. Sheet 273 - 4627 - 13, undated.
Great Northern Engineering Drawing: Piers 8 and 9 - General Plan, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 12, undated.
Great Northern Engineering Drawing: Piers 10 and 11, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 23, undated.
Great Northern Engineering Drawing: Pier and Pedestal south End, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 14, undated.
Great Northern Engineering Drawing: Pier and Pedestal north End, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 15, undated.
Great Northern Engineering Drawing: Mitered Rails, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 394, undated.
Great Northern Engineering Drawing: Masonry Plan, Bridge 5 - 61st Street, east of Ballard, Washington, Line Segment 050, Milepost 6.8. Sheet 273 - 4627 - 8, undated.
Great Northern Engineering Drawing: Masonry Plan, Bridge 5 - 61st Street, east of Ballard, Washington, Line Segment 050, Milepost 6.8. Sheet 273 - 4627 - 19, undated.
Great Northern Engineering Drawing: Map and General Plan, Bridge 4, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 1, 1912.