In New Drainage Projects, Long-Buried Urban Streams See the Light Again

WASHINGTON—A small stream gurgles under a historic stone bridge, once used by Revolutionary War patriots to transport supplies. For more than a century, the bridge was bricked up, the stream beneath it just a dry, eroded channel. As in many places, this tributary of the Broad Branch stream had been forced underground around the turn of the century, through a program designed to rid Washington, D.