Great Northern Engineering Drawing: Shop Plan - Counterweight Member, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 4 7, undated.
Great Northern Engineering Drawing: Shop Plan - Counterweight Member, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 4 7, undated.
Great Northern Engineering Drawing: Shop Plan - Counterweight Parts, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 177, undated.
Great Northern Engineering Drawing: Shop Plan - Counterweight Parts, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 175, undated.
Great Northern Engineering Drawing: Shop Plan - Counterweight Parts, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 440, undated.
Great Northern Engineering Drawing: Shop Plan - Counterweight Parts, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 444, undated.
Great Northern Engineering Drawing: Shop Plan - Counterweight Parts, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 178, undated.
Great Northern Engineering Drawing: Shop Plan - Counterweight Parts, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 4 6, undated.
Great Northern Engineering Drawing: Shop Plan - Counterweight Parts, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 441, undated.
Great Northern Engineering Drawing: Shop Plan - Counterweight Tower, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 114, undated.
Great Northern Engineering Drawing: Shop Plan - Counterweight Tower, Bridge 4 - Salmon Bay, Ballard, Washington, Line Segment 050, Milepost 6.3. Sheet 198 - 2449 - 115, undated.