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The Pompton Lakes Works, when operational, was a complex manufactory offering a variety of chemical products. Toward the end of its life, all production was consolidated in the Acid Brook Valley, where you now stand. Exactly which products were produced where, on such a vast property, was subject to change; Entire buildings were sometimes moved to restructure production. Having acknowledged this, I will be using names to refer to parts of the site that are based on that area’s original product.
Your tour so far has been through the Cap Works, the most physically extensive of the three plants that were combined to create the Pompton Lakes Works in its entirety. It is also the most public facing, as the site of the main gate, which is adjacent to much of the former worker’s housing in an area of Pompton Lakes known as DuPont Village. This is where Barbara Drive and the Cannonball Trail are located.
Diagram showing change in location of mercury fulminate production, from Figure 5 in “The Use of a Site History as a Preliminary Step in the Site Assessment of a Complex Industrial Facility: The Pompton Lakes Works of E. I. du Pont de Nemours & Company” by C. M. Olson and M. L. Monserrate.
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Drawing by the author, incorporating aerial images from Hagley Library’s “DuPont Company Pompton Lakes plant photographs” collection