269.6 New Castle County Areawide Waste Treatment Management Program. Volume III: General Report: Industrial Wastewater Control, n.d. I2.3/No. 25

269.6 New Castle County Areawide Waste Treatment Management Program. Volume III: General Report: Industrial Wastewater Control, n.d. I2.3/No. 25, Box: 31. William J. Cohen papers, MSS 0468. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/191922 Accessed September 19, 2024.