Barksdale Works; Du Pont Engineering Company; Explosives industry; government contract; Gunpowder manufacturing; Old Hickory Plant; Penninman Plant; Seven Pines Plant; Tullyown Plant; World War I
Letter from Delaware Land Development Company to Wark Company regarding the contract with Hilgardner Marble Company of Baltimore, Maryland for installation of marble in the building addition of the Delaware Trust Building in Wilmington, Delaware.
Letter from the Delaware Land Development Company to Wark Company Builders in regards poor construction work done at the Delaware Trust Building in Wilmington, Delaware.
Letter from the Delaware Land Development Company to Wark Company Builders in regards to the slow progress on building work done at the Delaware Trust Building in Wilmington, Delaware.
Letter from Delaware Land Development Company to Wark Company regarding the color of the marble to be installed for the building addition of the Delaware Trust Building in Wilmington, Delaware.
Government contract; Government orders; U.S. Indian Department; U.S. Office of Indian Trade; Superintendent of Indian Trade; General John Mason; Fort Wayne; Miami River;