Structural steel, 1971; man shaping a piece of steel cable
Structural steel, 1971; two men standing at the top of scaffolding attaching cabling to a pole [1 of 2]
Structural steel, 1971; worker holding onto the side of a tall steel beam
Structural steel, 1971; worker standing at the top of a steel structure
![Structural steel, 1971; worker shaping wiring on a steel structure [2 of 2]](/uploads/r/null/c/c/1/cc19476ad00cb67ed3083ae1289fc01540d63a1baed31035b57c6d25e9fe3ac7/a004845_142.jpg)
Structural steel, 1971; worker shaping wiring on a steel structure [2 of 2]
![Structural steel, 1971; worker welding [1 of 2]](/uploads/r/null/b/2/1/b2198e46ec7719c5dfdc25704926bcaa6b1e7369f33dea9f998c387d738cb0ad/a004847_142.jpg)
Structural steel, 1971; worker welding [1 of 2]
Structural steel, 1971; two men using large cable cutters to cut a piece of steel
Structural steel, 1971; workers creating a steel grid
![Structural steel, 1971; two students shaping thin pieces of steel [1 of 2]](/uploads/r/null/9/d/4/9d4215d7abaa253844b7bb31e7692f4cd3a61ad06a55826b60ee30e1fac4c0b2/a004853_142.jpg)
Structural steel, 1971; two students shaping thin pieces of steel [1 of 2]
![Structural steel, 1971; two students shaping thin pieces of steel [2 of 2]](/uploads/r/null/7/4/a/74aa18bd3e3943ea09fd4388bb39ac21d68ae27864a187bd1b112aecfb6c8e7a/a004854_142.jpg)
Structural steel, 1971; two students shaping thin pieces of steel [2 of 2]
![Structural steel, 1971; workers standing at the top of a steel structure [2 of 2]](/uploads/r/null/f/b/6/fb6430f30fe6e5b6deae4b697cdec31dc09dc80c8e8d37ae82024ab810415a40/a004868_142.jpg)
Structural steel, 1971; workers standing at the top of a steel structure [2 of 2]
![Structural steel, 1971; men working on a steel structure [1 of 3]](/uploads/r/null/a/d/e/adeda68984f6f075f5c9babff9995eb8384b941a9dec4e7821f6b14b386fd5ba/a004871_142.jpg)
Structural steel, 1971; men working on a steel structure [1 of 3]
Structural steel, 1971; men working on a steel structure; others on the ground working
Steel fabrication: Course outline: Four year apprenticeship
Steel fabrication: Course outline: Four year apprenticeship
Structural steel erections (ironworkers): Course outline [draft]
Structural steel erections (ironworkers): Course outline [draft]
Structural steel, 1968; students constructing a tall steel structure in a field
Structural steel, 1968; workers using a crane to place a side beam on a structure; people working in background [1 of 2]
Structural steel, 1968; workers using a crane to place a side beam on a structure; people working in background [2 of 2]
Structural steel; workers assembling a steel structure
![Structural steel, 1968; workers constructing a steel structure [2 of 4]](/uploads/r/null/4/2/d/42d09273438509b866ede83dea7c3b96da3ea0e8330e9d4fbba17e5f488654c1/a004832_142.jpg)
Structural steel, 1968; workers constructing a steel structure [2 of 4]
Structural steel, 1968; workers using a crane to place a large piece of steel into the ground [1 of 2]
Structural steel, 1968; workers using a crane to place a large piece of steel into the ground [2 of 2]
![Structural steel, 1968; workers constructing a steel structure [1 of 4]](/uploads/r/null/7/8/a/78a525d9cb256d0f86cc639011404b5e5db7f7687bd22b13188485696d3d50c9/a004829_142.jpg)
Structural steel, 1968; workers constructing a steel structure [1 of 4]
Structural steel, 1968; worker tightening a bolt on a steel structure
![Structural steel, 1968; workers constructing a steel structure [4 of 4]](/uploads/r/null/f/9/0/f90bf37b9407468651449a5df6940eee8a6d27b24cd8780b9326c6a1ec1aa9f5/a004834_142.jpg)
Structural steel, 1968; workers constructing a steel structure [4 of 4]
