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Angelus Studio photographs, 1880s-1940s
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Topic
Cranes, derricks, etc
1
Electric utilities
1
Excavation
1
Floors, Concrete
1
Furnaces
1
Railroad tracks
1
Rocks
1
Smoke
1
Snow
1
Telecommunication cables
1
Timber
1
Trailers
1
Tunneling
1
Tunnels
1
Venturi tubes
1
Willamette Iron and Steel Works
1
Work environment
1