E.I. du Pont de Nemours & Company (associated name), Fairlamb, Jonas Preston, 1785-1860 (cartographer)
Hand-drawn survey map showing Eleutherian Mills Residence and surrounding land. Written caption on front: 'Survey of two tracts of land purchased by Eleuthere Irenee du Pont de Nemours of Jacob Broom Esq, dec'd, surveyed, divided etc. June, Anno Domini 1812, J. Fairlamb.'
E.I. du Pont de Nemours & Company (associated name), Fairlamb, Jonas Preston, 1785-1860 (cartographer), Dawes, Rumford, 1744-1819 (associated name)
Written caption on front: 'I do certify that I have carefully surveyed and laid down this plot the property of Rumford Dawes Situate on Brandywine in Christiana Hundred and found the whole Content thereof to be Eighty seven acres one quarter and thirty eight perches Given under my hand this twentiteth day of May AD 1812. J.P. Fairlamb'