Great Northern Engineering Drawing: Shop Plan - Stringer Cross Frame, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 71, undated.

Great Northern Engineering Drawing: Shop Plan - Stringers - Laterals, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 72, undated.

Great Northern Engineering Drawing: Shop Plan - Stringers - Laterals, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 73, undated.

Great Northern Engineering Drawing: Shop Plan - Strut and Plates, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 420, undated.

Great Northern Engineering Drawing: Shop Plan - Strut Guide, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 322, undated.

Great Northern Engineering Drawing: Shop Plan - Strut Guide, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 323, undated.

Great Northern Engineering Drawing: Shop Plan - Strut Guide, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 321, undated.

Great Northern Engineering Drawing: Shop Plan - Telegraph west Tower, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 357, undated.

Great Northern Engineering Drawing: Shop Plan - Telegraph west Tower, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 367, undated.

Great Northern Engineering Drawing: Shop Plan - Telegraph west Tower, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 356, undated.