" On the Monday evening, furnace fires and clanking hammers on the banks of the canal, warned us that we approached the termination of this part of our journey. After going through another dreamy place—a long aqueduct across the Alleghany River, which was stranger than the bridge at Harrisburg, being a vast low wooden chamber full of water—we emerged upon that ugly confusion of backs of buildings and crazy galleries and stairs, which always abuts on water, whether it be river, sea, canal, or ditch: and were at Pittsburg. "
― Charles Dickens , American Notes For General Circulation