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Subject
- Factories4
- Foundries4
- Hoisting machinery[remove]4
- Smokestacks4
- Steel industry[remove]4
- Calumet River (Ill.)3
- Minerals3
- Rivers3
- Boats2
- Bridges2
- Smoke2
- Tugboats2
- Utility poles2
- Crates1
- Electric lines1
- Flags1
- Steam shovels1
- Warehouses1
- Youngstown Sheet and Tube Company1