E.I. du Pont de Nemours & Company (associated name)
Hand-drawn map showing Eleutherian Mills Residence and surrounding area. Mapmaker's caption on front: 'Surveyed for Eleuthere Irenee du Pont de Nemours, July Anno Domini One thousand eight hundred and twenty five, J.P. Fairlamb, surveyor.' Written caption on back: ''Area along Buck Road from Route 100 to the Brandywine.'