To maintain its level course across Passaic County, the Morris Canal needed to cross several rivers: the Pompton, Passaic, and Peckman. Engineers chose to cross the Passaic River at a spot where it passed through a deep gorge just below the Little Falls. They planned a massive stone aqueduct built from local brownstone to carry the canal across the gorge. It would be 80 feet high and 149 feet long, with an arch spanning 96 feet. When completed in 1829 by contractors Dodd and Baldwin, the Passaic River Aqueduct was the largest and most impressive structure on the canal.
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