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Rolling mills in Hagley Yard
Lower Yard of DuPont Company Brandywine works in snow seen from Rockford Water Tower
Rolling mills, Hagley Yard
Saltpeter refinery at Eleutherian Mills (Upper Yard)
Employees in New Machine Shop at Hagley Yard
Rolling mills, lower Hagley yard
Horse drawn gunpowder wagon
Horse-drawn gunpowder wagon Deadwood, South Dakota
Rolling mills in Lower Yard at DuPont Brandywine powder yards
Fred Evans near former cannon house in front of Christ Church
Graining mill, river side
Graining mill explosion
Damage to Upper Banks and Upper Yard from October 1890 explosion
Coal car in Hagley Yard
Testing area for powder, DuPont Experimental Station
Rolling mills in Lower Yard at DuPont Brandywine powder yards
Rolling mills in Lower Yard at DuPont Brandywine powder yards
Fred Evans near former cannon house in front of Christ Church
Rolling mills in Upper Hagley Yard
William Flanigan by packing house car
Saltpeter refinery at Eleutherian Mills (Upper Yard)