Pennsylvania R.R. ore docks, a "Hulett" ore unloader in operation, Cle...
Picryl description: Public domain image of a quarry, mine, excavation, or mining site, free to use, no copyright restrictions.
Lumber manufacture. Boise Payette Lumber Company, Boise, Idaho. Semi-f...
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.
Pennsylvania R.R. ore docks, unloading iron ore from a lake freighter ...
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Unloader and distributor of sugar beets at sugar beet plant. Lewiston,...
Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description
Ben Bow chromite mill, Stillwater County, Montana. Conveyor belt unloa...
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Pennsylvania R.R. ore docks, a "Hulett" unloader in operation, Clevela...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
![[Rotary coal car unloader, Cleveland, Ohio]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MDAvMDEvMDEvcm90YXJ5LWNvYWwtY2FyLXVubG9hZGVyLWNsZXZlbGFuZC1vaGlvLTEwMjQuanBn/40/50/webp "[Rotary coal car unloader, Cleveland, Ohio]")
[Rotary coal car unloader, Cleveland, Ohio]
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Unloader and pile of sugar beets at sugar beet processing plant. Lewis...
Picryl description: Public domain image of a coal mine, industrial facility, mining industry, early 20th-century industrial architecture, free to use, no copyright restrictions.