 Demand for gunpowder declined when the civil war ended, but picked up briefly during the Franco-Prussian War and Russo-Turkish War.Oriental Powder Company was ranked 4th (after DuPont, Laflin & Rand, and Hazard) among the six companies of the United States Gunpowder Trade Association popularly known as the powder trust.Canal boats were unable to compete with rail service and the canal was unused after the Portland and Ogdensburg Railway reached Gambo Falls (by then called Newhall) in 1871.