Great Northern Engineering Drawing: Shop Plan - Details Columns, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 62, undated.

Great Northern Engineering Drawing: Shop Plan - Details Columns, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 144, undated.

Great Northern Engineering Drawing: Shop Plan - Details Counterweight, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 176, undated.

Great Northern Engineering Drawing: Shop Plan - Details Diagonal, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 220, undated.

Great Northern Engineering Drawing: Shop Plan - Details Diagonal, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 224, undated.

Great Northern Engineering Drawing: Shop Plan - Details Diagonal, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 153, undated.

Great Northern Engineering Drawing: Shop Plan - Details Diagonal, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 185, undated.

Great Northern Engineering Drawing: Shop Plan - Details Diagonal, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 64, undated.

Great Northern Engineering Drawing: Shop Plan - Details Diagonal, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 186, undated.

Great Northern Engineering Drawing: Shop Plan - Details Diagonal, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 187, undated.