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Rolling mills in Lower Yard at DuPont Brandywine powder yards
Horse-drawn gunpowder wagon Deadwood, South Dakota
Employees in New Machine Shop at Hagley Yard
Saltpeter refinery at Eleutherian Mills (Upper Yard)
Rolling mills, lower Hagley yard
Rolling mills, Hagley Yard
Graining mill, river side
William Flanigan by packing house car
Saltpeter refinery at Eleutherian Mills (Upper Yard)
Rolling mills in Lower Yard at DuPont Brandywine powder yards
Coal car in Hagley Yard
Graining mill explosion
Fred Evans near former cannon house in front of Christ Church
Rolling mills in Hagley Yard
Rolling mills in Upper Hagley Yard
Fred Evans near former cannon house in front of Christ Church
Rolling mills in Lower Yard at DuPont Brandywine powder yards
Horse drawn gunpowder wagon
Laboring gang in Hagley Yard
Damage to Upper Banks and Upper Yard from October 1890 explosion
William Grimshaw Betty and Mrs. Betty
DuPont Co. employees, farm workers
Alfred I. du Pont farewell party
Testing area for powder, DuPont Experimental Station

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