Structural steel, 1971; men working on a steel structure; others on the ground working
Structural steel; structural steel beams under a bridge
Structural steel; towers and suspension cables of A. Murray Mackay bridge connecting Halifax and Dartmouth
Structural steel; aerial photograph of A. Murray Mackay bridge connecting Halifax and Dartmouth
Structural steel; construction yard next to a river (Halifax or Dartmouth?)
Structural steel; A. Murray Mackay bridge connecting Halifax and Dartmouth
Steel fabrication