A refinery in Pascagoula, Mississippi. Original image from Carol M. Highsmith’s America, Library of Congress… A refinery in Pascagoula, Mississippi. Original image from Carol M. Highsmith’s America, Library of Congress… Free Image from public domain license
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Massive machinery at work in the open-pit Wyodak coal mine in the coal-rich Powder River Basin outside Gillette, Wyoming.… Massive machinery at work in the open-pit Wyodak coal mine in the coal-rich Powder River Basin outside Gillette, Wyoming.… Free Image from public domain license
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Quarry. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced by… Quarry. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced by… Free Image from public domain license
building, built, career, clipboard building, built, career, clipboard
Site engineer on a construction site Site engineer on a construction site
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Pumpjack in rural Texas. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally… Pumpjack in rural Texas. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally… Free Image from public domain license
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