The Thomas Jefferson Memorial is adminstered by National Mall and Memorial Parks. This page is for posting pertinent information on managing this site
Did You Know?
Aqueducts are water filled bridges. Aqueducts carried the canal and boat traffic over major waterways, like rivers. Of the 11 aqueducts built along the canal, the Monocacy Aqueduct is the longest at 516 feet, its seven arches constructed mainly of stone quarried from nearby Sugarloaf Mountain.