Fifteenmile Creek is a 19.9-mile-long tributary stream of the Potomac River in the U.S. states of Maryland and Pennsylvania. The creek enters the Potomac River through Maryland's Green Ridge State For
Fifteen Mile Creek (with C&O Canal Aqueduct over it)
Potomac River
Videos
The Potomac River is in the Mid-Atlantic region of the United States and flows from the Potomac Highlands in West Virginia to the Chesapeake Bay in Maryland. It is 405 miles long, with a drainage area
In Washington, D.C., the Potomac is crossed by the Arlington Memorial Bridge.
The North Branch between Cumberland, Maryland, and Ridgeley, West Virginia, in 2007
Confluence of the Potomac and Shenandoah at Harpers Ferry