Great Northern Engineering Drawing: Shop Plan - Detail Post, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 155, undated.

Great Northern Engineering Drawing: Shop Plan - Detail Portal, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 89, undated.

Great Northern Engineering Drawing: Shop Plan - Detail Portal, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 90, undated.

Great Northern Engineering Drawing: Shop Plan - Detail Platform, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 234, undated.

Great Northern Engineering Drawing: Shop Plan - Detail Member, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 173, undated.

Great Northern Engineering Drawing: Shop Plan - Detail Floor Beam, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 148, undated.

Great Northern Engineering Drawing: Shop Plan - Detail Floor Beam, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 70, undated.

Great Northern Engineering Drawing: Shop Plan - Detail Diagonals, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 87, undated.

Great Northern Engineering Drawing: Shop Plan - Detail Diagonals, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 88, undated.

Great Northern Engineering Drawing: Shop Plan - Detail Diagonal, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 161, undated.