Great Northern Engineering Drawing: Shop Plan - Erection Plan, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 33A, undated.

Great Northern Engineering Drawing: Shop Plan - Erection Plan, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 34, undated.

Great Northern Engineering Drawing: Shop Plan - Erection Plan, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 33, undated.

Great Northern Engineering Drawing: Shop Plan - Erection Plan, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 36, undated.

Great Northern Engineering Drawing: Shop Plan - Erection Plan, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 68, undated.

Great Northern Engineering Drawing: Shop Plan - Erection Plan, Bridge 7.9 - Seaview Avenue, Ballard, Washington, Line Segment 050, Milepost 7.9. Sheet 250 - 4618 - 10, undated.

Great Northern Engineering Drawing: Shop Plan - Field Work, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 416, undated.

Great Northern Engineering Drawing: Shop Plan - Field Work, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 415, undated.

Great Northern Engineering Drawing: Shop Plan - Fixed End Movement, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 117, undated.

Great Northern Engineering Drawing: Shop Plan - Fixed End Truss, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 118, undated.