Susquehanna and Tidewater Canal
...that the Susquehanna and Tidewater Canal, built along the Susquehanna River in the 1830s, had a wooden bridge with a two-tier towpath to allow mules towing cargoboats in opposite directions to cross the river simultaneously without colliding?
...that the <b id="mwBvA"><a href="./Susquehanna_and_Tidewater_Canal" id="mwBvE" rel="mw:WikiLink" title="Susquehanna and Tidewater Canal">Susquehanna and Tidewater Canal</a></b>, built along the <a href="./Susquehanna_River" id="mwBvI" rel="mw:WikiLink" title="Susquehanna River">Susquehanna River</a> in the 1830s, had a wooden bridge with a two-tier <a href="./Towpath" id="mwBvM" rel="mw:WikiLink" title="Towpath">towpath</a> to allow <a href="./Mule" id="mwBvQ" rel="mw:WikiLink" title="Mule">mules</a> towing cargoboats in opposite directions to cross the river simultaneously without colliding?