 Roebling's Delaware Aqueduct, built by John A. Roebling, famed engineer of the Brooklyn Bridge, was constructed in 1848 as part of the canal.It is now preserved as a National Civil Engineering Landmark and National Historic Landmark by the National Park Service (NPS).The canal linked New York City with the rich coal deposits of the Carbondale, Wilkes-Barre and Scranton areas, providing fuel for both the city's industrial foundries and heating the expanding number of residences.