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Dallas, South Dakota

David Plowden
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Grain Elevators, Superior, Wisconsin

David Plowden
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Grain Elevators, North Topeka, Kansas

David Plowden
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Grain Elevators, Chicago

David Plowden
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Steele County, North Dakota

David Plowden
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Redwood Memorial Bridge, Washington

David Plowden
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Susquehana River Bridge, Harrisburg, Pennsylvania

David Plowden
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Covered bridge, Missiquoi River, Swanton, Vermont

David Plowden
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Pittsburg, Pennsylvania

David Plowden
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Chicago, Illinois

David Plowden
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Chicago, Illinois

David Plowden
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Chicago, Illinois

David Plowden
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Chicago, Illinois

David Plowden
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Steel Mill, Open Hearth, East Chicago, Indiana

David Plowden
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Steel Mill, Gary, Indiana

David Plowden
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Steel Mill, 80" Hot Strip Mill Finishing Stands, Inland Steel Co., East Chicago, Indiana

David Plowden
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Steel Mill, Inland Steel Co., East Chicago, Indiana

David Plowden
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Steel Mill, Inland Steel Co., East Chicago, Indiana

David Plowden
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Steel Worker, 44" Hot Strip Mill, Inland Steel Co., East Chicago, Indiana

David Plowden
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Steel Mill, Blast Furnace, East Chicago, Indiana

David Plowden