In the late 18th century, the architects of the nation's capital set the boundaries for the new city via a series of stones that were placed around its perimeter. Today 36 of the 40 stones that were set are still in place, most of them surrounded by small fences that were erected by the Daughters of the American Revolution at the turn of the century.

A group of volunteers spearheaded by the American Society of Civil Engineers set out to tidy up some of the stones and their fences. Less